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Finding the Fourth Proportional to 121,473.12, 167,633.12 and 67,024.04

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Solution

The fourth proportional to 121,473.12, 167,633.12 and 67,024.04 is: 92,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,473.12 : 167,633.12 = 67,024.04 : x
  2. Step 2: Convert to fraction form
    121,473.12/167,633.12 = 67,024.04/x
  3. Step 3: Cross multiply
    121,473.12x = 167,633.12 × 67,024.04
  4. Step 4: Simplify right side
    121,473.12x = 11,235,448,940.20
  5. Step 5: Solve for x
    x = 11,235,448,940.20/121,473.12
  6. Step 6: Final answer
    x = 92,493.29

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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.