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Finding the Fourth Proportional to 115,545.92, 173,284.46 and 48,984.98

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Solution

The fourth proportional to 115,545.92, 173,284.46 and 48,984.98 is: 73,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,545.92 : 173,284.46 = 48,984.98 : x
  2. Step 2: Convert to fraction form
    115,545.92/173,284.46 = 48,984.98/x
  3. Step 3: Cross multiply
    115,545.92x = 173,284.46 × 48,984.98
  4. Step 4: Simplify right side
    115,545.92x = 8,488,335,562.49
  5. Step 5: Solve for x
    x = 8,488,335,562.49/115,545.92
  6. Step 6: Final answer
    x = 73,462.88

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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.