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Finding the Fourth Proportional to 108,363.38, 149,552.70 and 62,424.60

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Solution

The fourth proportional to 108,363.38, 149,552.70 and 62,424.60 is: 86,152.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,363.38 : 149,552.70 = 62,424.60 : x
  2. Step 2: Convert to fraction form
    108,363.38/149,552.70 = 62,424.60/x
  3. Step 3: Cross multiply
    108,363.38x = 149,552.70 × 62,424.60
  4. Step 4: Simplify right side
    108,363.38x = 9,335,767,476.42
  5. Step 5: Solve for x
    x = 9,335,767,476.42/108,363.38
  6. Step 6: Final answer
    x = 86,152.42

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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.