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Finding the Fourth Proportional to 167,061.71, 250,806.42 and 143,519.87

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Solution

The fourth proportional to 167,061.71, 250,806.42 and 143,519.87 is: 215,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,061.71 : 250,806.42 = 143,519.87 : x
  2. Step 2: Convert to fraction form
    167,061.71/250,806.42 = 143,519.87/x
  3. Step 3: Cross multiply
    167,061.71x = 250,806.42 × 143,519.87
  4. Step 4: Simplify right side
    167,061.71x = 35,995,705,420.58
  5. Step 5: Solve for x
    x = 35,995,705,420.58/167,061.71
  6. Step 6: Final answer
    x = 215,463.52

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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.