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Finding the Fourth Proportional to 92,250.92, 138,395.82 and 29,916.56

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Solution

The fourth proportional to 92,250.92, 138,395.82 and 29,916.56 is: 44,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,250.92 : 138,395.82 = 29,916.56 : x
  2. Step 2: Convert to fraction form
    92,250.92/138,395.82 = 29,916.56/x
  3. Step 3: Cross multiply
    92,250.92x = 138,395.82 × 29,916.56
  4. Step 4: Simplify right side
    92,250.92x = 4,140,327,310.96
  5. Step 5: Solve for x
    x = 4,140,327,310.96/92,250.92
  6. Step 6: Final answer
    x = 44,881.15

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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.