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Finding the Fourth Proportional to 83,253.30, 124,515.45 and 74,432.40

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Solution

The fourth proportional to 83,253.30, 124,515.45 and 74,432.40 is: 111,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,253.30 : 124,515.45 = 74,432.40 : x
  2. Step 2: Convert to fraction form
    83,253.30/124,515.45 = 74,432.40/x
  3. Step 3: Cross multiply
    83,253.30x = 124,515.45 × 74,432.40
  4. Step 4: Simplify right side
    83,253.30x = 9,267,983,780.58
  5. Step 5: Solve for x
    x = 9,267,983,780.58/83,253.30
  6. Step 6: Final answer
    x = 111,322.72

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