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Finding the Fourth Proportional to 167,153.64, 250,850.17 and 71,158.15

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Solution

The fourth proportional to 167,153.64, 250,850.17 and 71,158.15 is: 106,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,153.64 : 250,850.17 = 71,158.15 : x
  2. Step 2: Convert to fraction form
    167,153.64/250,850.17 = 71,158.15/x
  3. Step 3: Cross multiply
    167,153.64x = 250,850.17 × 71,158.15
  4. Step 4: Simplify right side
    167,153.64x = 17,850,034,479.46
  5. Step 5: Solve for x
    x = 17,850,034,479.46/167,153.64
  6. Step 6: Final answer
    x = 106,788.19

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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.