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Finding the Fourth Proportional to 167,338.62, 251,062.61 and 67,447.40

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Solution

The fourth proportional to 167,338.62, 251,062.61 and 67,447.40 is: 101,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,338.62 : 251,062.61 = 67,447.40 : x
  2. Step 2: Convert to fraction form
    167,338.62/251,062.61 = 67,447.40/x
  3. Step 3: Cross multiply
    167,338.62x = 251,062.61 × 67,447.40
  4. Step 4: Simplify right side
    167,338.62x = 16,933,518,689.16
  5. Step 5: Solve for x
    x = 16,933,518,689.16/167,338.62
  6. Step 6: Final answer
    x = 101,193.13

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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.