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Finding the Fourth Proportional to 101,120.20, 151,680.30 and 97,232.20

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Solution

The fourth proportional to 101,120.20, 151,680.30 and 97,232.20 is: 145,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,120.20 : 151,680.30 = 97,232.20 : x
  2. Step 2: Convert to fraction form
    101,120.20/151,680.30 = 97,232.20/x
  3. Step 3: Cross multiply
    101,120.20x = 151,680.30 × 97,232.20
  4. Step 4: Simplify right side
    101,120.20x = 14,748,209,265.66
  5. Step 5: Solve for x
    x = 14,748,209,265.66/101,120.20
  6. Step 6: Final answer
    x = 145,848.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.