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Finding the Fourth Proportional to 80,326.52, 120,363.04 and 29,655.87

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Solution

The fourth proportional to 80,326.52, 120,363.04 and 29,655.87 is: 44,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,326.52 : 120,363.04 = 29,655.87 : x
  2. Step 2: Convert to fraction form
    80,326.52/120,363.04 = 29,655.87/x
  3. Step 3: Cross multiply
    80,326.52x = 120,363.04 × 29,655.87
  4. Step 4: Simplify right side
    80,326.52x = 3,569,470,272.38
  5. Step 5: Solve for x
    x = 3,569,470,272.38/80,326.52
  6. Step 6: Final answer
    x = 44,437.01

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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.