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Finding the Fourth Proportional to 173,545.92, 260,318.88 and 55,217.52

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Solution

The fourth proportional to 173,545.92, 260,318.88 and 55,217.52 is: 82,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,545.92 : 260,318.88 = 55,217.52 : x
  2. Step 2: Convert to fraction form
    173,545.92/260,318.88 = 55,217.52/x
  3. Step 3: Cross multiply
    173,545.92x = 260,318.88 × 55,217.52
  4. Step 4: Simplify right side
    173,545.92x = 14,374,162,962.78
  5. Step 5: Solve for x
    x = 14,374,162,962.78/173,545.92
  6. Step 6: Final answer
    x = 82,826.28

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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.