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Finding the Fourth Proportional to 181,195.92, 271,752.57 and 68,888.61

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Solution

The fourth proportional to 181,195.92, 271,752.57 and 68,888.61 is: 103,317.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,195.92 : 271,752.57 = 68,888.61 : x
  2. Step 2: Convert to fraction form
    181,195.92/271,752.57 = 68,888.61/x
  3. Step 3: Cross multiply
    181,195.92x = 271,752.57 × 68,888.61
  4. Step 4: Simplify right side
    181,195.92x = 18,720,656,811.23
  5. Step 5: Solve for x
    x = 18,720,656,811.23/181,195.92
  6. Step 6: Final answer
    x = 103,317.21

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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.