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Finding the Fourth Proportional to 71,545.44, 98,737.68 and 41,340.96

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Solution

The fourth proportional to 71,545.44, 98,737.68 and 41,340.96 is: 57,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,545.44 : 98,737.68 = 41,340.96 : x
  2. Step 2: Convert to fraction form
    71,545.44/98,737.68 = 41,340.96/x
  3. Step 3: Cross multiply
    71,545.44x = 98,737.68 × 41,340.96
  4. Step 4: Simplify right side
    71,545.44x = 4,081,910,479.37
  5. Step 5: Solve for x
    x = 4,081,910,479.37/71,545.44
  6. Step 6: Final answer
    x = 57,053.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.