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Finding the Fourth Proportional to 82,859.10, 124,304.85 and 32,930.70

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Solution

The fourth proportional to 82,859.10, 124,304.85 and 32,930.70 is: 49,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,859.10 : 124,304.85 = 32,930.70 : x
  2. Step 2: Convert to fraction form
    82,859.10/124,304.85 = 32,930.70/x
  3. Step 3: Cross multiply
    82,859.10x = 124,304.85 × 32,930.70
  4. Step 4: Simplify right side
    82,859.10x = 4,093,445,723.90
  5. Step 5: Solve for x
    x = 4,093,445,723.90/82,859.10
  6. Step 6: Final answer
    x = 49,402.49

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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.