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Finding the Fourth Proportional to 132,356.40, 198,249.48 and 62,130.48

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Solution

The fourth proportional to 132,356.40, 198,249.48 and 62,130.48 is: 93,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,356.40 : 198,249.48 = 62,130.48 : x
  2. Step 2: Convert to fraction form
    132,356.40/198,249.48 = 62,130.48/x
  3. Step 3: Cross multiply
    132,356.40x = 198,249.48 × 62,130.48
  4. Step 4: Simplify right side
    132,356.40x = 12,317,335,352.15
  5. Step 5: Solve for x
    x = 12,317,335,352.15/132,356.40
  6. Step 6: Final answer
    x = 93,061.88

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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.