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Finding the Fourth Proportional to 363,866.07, 545,773.53 and 136,118.25

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Solution

The fourth proportional to 363,866.07, 545,773.53 and 136,118.25 is: 204,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,866.07 : 545,773.53 = 136,118.25 : x
  2. Step 2: Convert to fraction form
    363,866.07/545,773.53 = 136,118.25/x
  3. Step 3: Cross multiply
    363,866.07x = 545,773.53 × 136,118.25
  4. Step 4: Simplify right side
    363,866.07x = 74,289,737,799.92
  5. Step 5: Solve for x
    x = 74,289,737,799.92/363,866.07
  6. Step 6: Final answer
    x = 204,167.81

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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.