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Finding the Fourth Proportional to 115,456.42, 173,050.17 and 48,874.42

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Solution

The fourth proportional to 115,456.42, 173,050.17 and 48,874.42 is: 73,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,456.42 : 173,050.17 = 48,874.42 : x
  2. Step 2: Convert to fraction form
    115,456.42/173,050.17 = 48,874.42/x
  3. Step 3: Cross multiply
    115,456.42x = 173,050.17 × 48,874.42
  4. Step 4: Simplify right side
    115,456.42x = 8,457,726,689.65
  5. Step 5: Solve for x
    x = 8,457,726,689.65/115,456.42
  6. Step 6: Final answer
    x = 73,254.71

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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.