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Finding the Fourth Proportional to 361,353.38, 542,063.48 and 95,115.29

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Solution

The fourth proportional to 361,353.38, 542,063.48 and 95,115.29 is: 142,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,353.38 : 542,063.48 = 95,115.29 : x
  2. Step 2: Convert to fraction form
    361,353.38/542,063.48 = 95,115.29/x
  3. Step 3: Cross multiply
    361,353.38x = 542,063.48 × 95,115.29
  4. Step 4: Simplify right side
    361,353.38x = 51,558,521,912.72
  5. Step 5: Solve for x
    x = 51,558,521,912.72/361,353.38
  6. Step 6: Final answer
    x = 142,681.72

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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.