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Finding the Fourth Proportional to 109,772.55, 151,484.16 and 62,024.88

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Solution

The fourth proportional to 109,772.55, 151,484.16 and 62,024.88 is: 85,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,772.55 : 151,484.16 = 62,024.88 : x
  2. Step 2: Convert to fraction form
    109,772.55/151,484.16 = 62,024.88/x
  3. Step 3: Cross multiply
    109,772.55x = 151,484.16 × 62,024.88
  4. Step 4: Simplify right side
    109,772.55x = 9,395,786,845.90
  5. Step 5: Solve for x
    x = 9,395,786,845.90/109,772.55
  6. Step 6: Final answer
    x = 85,593.23

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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.