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Finding the Fourth Proportional to 441,092.16, 661,645.80 and 125,557.20

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Solution

The fourth proportional to 441,092.16, 661,645.80 and 125,557.20 is: 188,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,092.16 : 661,645.80 = 125,557.20 : x
  2. Step 2: Convert to fraction form
    441,092.16/661,645.80 = 125,557.20/x
  3. Step 3: Cross multiply
    441,092.16x = 661,645.80 × 125,557.20
  4. Step 4: Simplify right side
    441,092.16x = 83,074,394,039.76
  5. Step 5: Solve for x
    x = 83,074,394,039.76/441,092.16
  6. Step 6: Final answer
    x = 188,337.95

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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.