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Finding the Fourth Proportional to 267,763.59, 401,658.73 and 87,833.03

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Solution

The fourth proportional to 267,763.59, 401,658.73 and 87,833.03 is: 131,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,763.59 : 401,658.73 = 87,833.03 : x
  2. Step 2: Convert to fraction form
    267,763.59/401,658.73 = 87,833.03/x
  3. Step 3: Cross multiply
    267,763.59x = 401,658.73 × 87,833.03
  4. Step 4: Simplify right side
    267,763.59x = 35,278,901,053.98
  5. Step 5: Solve for x
    x = 35,278,901,053.98/267,763.59
  6. Step 6: Final answer
    x = 131,753.91

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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.