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Finding the Fourth Proportional to 141,601.92, 212,431.80 and 41,753.76

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Solution

The fourth proportional to 141,601.92, 212,431.80 and 41,753.76 is: 62,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,601.92 : 212,431.80 = 41,753.76 : x
  2. Step 2: Convert to fraction form
    141,601.92/212,431.80 = 41,753.76/x
  3. Step 3: Cross multiply
    141,601.92x = 212,431.80 × 41,753.76
  4. Step 4: Simplify right side
    141,601.92x = 8,869,826,393.57
  5. Step 5: Solve for x
    x = 8,869,826,393.57/141,601.92
  6. Step 6: Final answer
    x = 62,639.17

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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.