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Finding the Fourth Proportional to 275,964.32, 413,572.32 and 126,019.04

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Solution

The fourth proportional to 275,964.32, 413,572.32 and 126,019.04 is: 188,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,964.32 : 413,572.32 = 126,019.04 : x
  2. Step 2: Convert to fraction form
    275,964.32/413,572.32 = 126,019.04/x
  3. Step 3: Cross multiply
    275,964.32x = 413,572.32 × 126,019.04
  4. Step 4: Simplify right side
    275,964.32x = 52,117,986,736.97
  5. Step 5: Solve for x
    x = 52,117,986,736.97/275,964.32
  6. Step 6: Final answer
    x = 188,857.70

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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.