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Finding the Fourth Proportional to 169,452.49, 254,179.20 and 69,542.59

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Solution

The fourth proportional to 169,452.49, 254,179.20 and 69,542.59 is: 104,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,452.49 : 254,179.20 = 69,542.59 : x
  2. Step 2: Convert to fraction form
    169,452.49/254,179.20 = 69,542.59/x
  3. Step 3: Cross multiply
    169,452.49x = 254,179.20 × 69,542.59
  4. Step 4: Simplify right side
    169,452.49x = 17,676,279,892.13
  5. Step 5: Solve for x
    x = 17,676,279,892.13/169,452.49
  6. Step 6: Final answer
    x = 104,314.08

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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.