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Finding the Fourth Proportional to 173,502.68, 260,279.94 and 55,177.88

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Solution

The fourth proportional to 173,502.68, 260,279.94 and 55,177.88 is: 82,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,502.68 : 260,279.94 = 55,177.88 : x
  2. Step 2: Convert to fraction form
    173,502.68/260,279.94 = 55,177.88/x
  3. Step 3: Cross multiply
    173,502.68x = 260,279.94 × 55,177.88
  4. Step 4: Simplify right side
    173,502.68x = 14,361,695,295.73
  5. Step 5: Solve for x
    x = 14,361,695,295.73/173,502.68
  6. Step 6: Final answer
    x = 82,775.06

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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.