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Finding the Fourth Proportional to 275,826.38, 413,739.59 and 88,837.88

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Solution

The fourth proportional to 275,826.38, 413,739.59 and 88,837.88 is: 133,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,826.38 : 413,739.59 = 88,837.88 : x
  2. Step 2: Convert to fraction form
    275,826.38/413,739.59 = 88,837.88/x
  3. Step 3: Cross multiply
    275,826.38x = 413,739.59 × 88,837.88
  4. Step 4: Simplify right side
    275,826.38x = 36,755,745,534.78
  5. Step 5: Solve for x
    x = 36,755,745,534.78/275,826.38
  6. Step 6: Final answer
    x = 133,256.82

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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.