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Finding the Fourth Proportional to 92,304.38, 138,745.59 and 60,916.15

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Solution

The fourth proportional to 92,304.38, 138,745.59 and 60,916.15 is: 91,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,304.38 : 138,745.59 = 60,916.15 : x
  2. Step 2: Convert to fraction form
    92,304.38/138,745.59 = 60,916.15/x
  3. Step 3: Cross multiply
    92,304.38x = 138,745.59 × 60,916.15
  4. Step 4: Simplify right side
    92,304.38x = 8,451,846,867.70
  5. Step 5: Solve for x
    x = 8,451,846,867.70/92,304.38
  6. Step 6: Final answer
    x = 91,564.96

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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.