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Finding the Fourth Proportional to 121,282.62, 167,375.10 and 67,567.62

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Solution

The fourth proportional to 121,282.62, 167,375.10 and 67,567.62 is: 93,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,282.62 : 167,375.10 = 67,567.62 : x
  2. Step 2: Convert to fraction form
    121,282.62/167,375.10 = 67,567.62/x
  3. Step 3: Cross multiply
    121,282.62x = 167,375.10 × 67,567.62
  4. Step 4: Simplify right side
    121,282.62x = 11,309,137,154.26
  5. Step 5: Solve for x
    x = 11,309,137,154.26/121,282.62
  6. Step 6: Final answer
    x = 93,246.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.