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Finding the Fourth Proportional to 109,697.76, 151,383.04 and 59,396.76

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Solution

The fourth proportional to 109,697.76, 151,383.04 and 59,396.76 is: 81,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,697.76 : 151,383.04 = 59,396.76 : x
  2. Step 2: Convert to fraction form
    109,697.76/151,383.04 = 59,396.76/x
  3. Step 3: Cross multiply
    109,697.76x = 151,383.04 × 59,396.76
  4. Step 4: Simplify right side
    109,697.76x = 8,991,662,094.95
  5. Step 5: Solve for x
    x = 8,991,662,094.95/109,697.76
  6. Step 6: Final answer
    x = 81,967.60

Related Problems

Find fourth proportional to 54,848.88, 75,691.52 and 29,698.38
Half scale
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Double scale
Find fourth proportional to 109,698.76, 151,384.42 and 59,397.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.