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Finding the Fourth Proportional to 361,651.01, 542,499.07 and 95,411.78

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Solution

The fourth proportional to 361,651.01, 542,499.07 and 95,411.78 is: 143,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,651.01 : 542,499.07 = 95,411.78 : x
  2. Step 2: Convert to fraction form
    361,651.01/542,499.07 = 95,411.78/x
  3. Step 3: Cross multiply
    361,651.01x = 542,499.07 × 95,411.78
  4. Step 4: Simplify right side
    361,651.01x = 51,760,801,917.04
  5. Step 5: Solve for x
    x = 51,760,801,917.04/361,651.01
  6. Step 6: Final answer
    x = 143,123.62

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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.