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Finding the Fourth Proportional to 363,549.01, 545,572.56 and 126,891.66

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Solution

The fourth proportional to 363,549.01, 545,572.56 and 126,891.66 is: 190,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,549.01 : 545,572.56 = 126,891.66 : x
  2. Step 2: Convert to fraction form
    363,549.01/545,572.56 = 126,891.66/x
  3. Step 3: Cross multiply
    363,549.01x = 545,572.56 × 126,891.66
  4. Step 4: Simplify right side
    363,549.01x = 69,228,610,310.59
  5. Step 5: Solve for x
    x = 69,228,610,310.59/363,549.01
  6. Step 6: Final answer
    x = 190,424.42

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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.