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Finding the Fourth Proportional to 361,799.92, 542,725.80 and 95,557.78

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Solution

The fourth proportional to 361,799.92, 542,725.80 and 95,557.78 is: 143,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,799.92 : 542,725.80 = 95,557.78 : x
  2. Step 2: Convert to fraction form
    361,799.92/542,725.80 = 95,557.78/x
  3. Step 3: Cross multiply
    361,799.92x = 542,725.80 × 95,557.78
  4. Step 4: Simplify right side
    361,799.92x = 51,861,672,596.72
  5. Step 5: Solve for x
    x = 51,861,672,596.72/361,799.92
  6. Step 6: Final answer
    x = 143,343.52

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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.