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Finding the Fourth Proportional to 110,153.72, 151,999.80 and 62,396.84

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Solution

The fourth proportional to 110,153.72, 151,999.80 and 62,396.84 is: 86,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,153.72 : 151,999.80 = 62,396.84 : x
  2. Step 2: Convert to fraction form
    110,153.72/151,999.80 = 62,396.84/x
  3. Step 3: Cross multiply
    110,153.72x = 151,999.80 × 62,396.84
  4. Step 4: Simplify right side
    110,153.72x = 9,484,307,200.63
  5. Step 5: Solve for x
    x = 9,484,307,200.63/110,153.72
  6. Step 6: Final answer
    x = 86,100.65

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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.