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Finding the Fourth Proportional to 441,252.32, 661,769.12 and 125,711.96

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Solution

The fourth proportional to 441,252.32, 661,769.12 and 125,711.96 is: 188,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,252.32 : 661,769.12 = 125,711.96 : x
  2. Step 2: Convert to fraction form
    441,252.32/661,769.12 = 125,711.96/x
  3. Step 3: Cross multiply
    441,252.32x = 661,769.12 × 125,711.96
  4. Step 4: Simplify right side
    441,252.32x = 83,192,290,148.11
  5. Step 5: Solve for x
    x = 83,192,290,148.11/441,252.32
  6. Step 6: Final answer
    x = 188,536.78

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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.