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Finding the Fourth Proportional to 76,545.92, 114,811.68 and 26,613.92

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Solution

The fourth proportional to 76,545.92, 114,811.68 and 26,613.92 is: 39,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,545.92 : 114,811.68 = 26,613.92 : x
  2. Step 2: Convert to fraction form
    76,545.92/114,811.68 = 26,613.92/x
  3. Step 3: Cross multiply
    76,545.92x = 114,811.68 × 26,613.92
  4. Step 4: Simplify right side
    76,545.92x = 3,055,588,866.59
  5. Step 5: Solve for x
    x = 3,055,588,866.59/76,545.92
  6. Step 6: Final answer
    x = 39,918.38

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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.