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Finding the Fourth Proportional to 275,632.47, 413,186.27 and 88,512.75

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Solution

The fourth proportional to 275,632.47, 413,186.27 and 88,512.75 is: 132,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,632.47 : 413,186.27 = 88,512.75 : x
  2. Step 2: Convert to fraction form
    275,632.47/413,186.27 = 88,512.75/x
  3. Step 3: Cross multiply
    275,632.47x = 413,186.27 × 88,512.75
  4. Step 4: Simplify right side
    275,632.47x = 36,572,252,577.38
  5. Step 5: Solve for x
    x = 36,572,252,577.38/275,632.47
  6. Step 6: Final answer
    x = 132,684.85

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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.