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Finding the Fourth Proportional to 108,363.56, 149,552.96 and 62,424.80

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Solution

The fourth proportional to 108,363.56, 149,552.96 and 62,424.80 is: 86,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,363.56 : 149,552.96 = 62,424.80 : x
  2. Step 2: Convert to fraction form
    108,363.56/149,552.96 = 62,424.80/x
  3. Step 3: Cross multiply
    108,363.56x = 149,552.96 × 62,424.80
  4. Step 4: Simplify right side
    108,363.56x = 9,335,812,557.52
  5. Step 5: Solve for x
    x = 9,335,812,557.52/108,363.56
  6. Step 6: Final answer
    x = 86,152.70

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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.