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Finding the Fourth Proportional to 169,575.88, 254,369.24 and 85,290.04

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Solution

The fourth proportional to 169,575.88, 254,369.24 and 85,290.04 is: 127,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,575.88 : 254,369.24 = 85,290.04 : x
  2. Step 2: Convert to fraction form
    169,575.88/254,369.24 = 85,290.04/x
  3. Step 3: Cross multiply
    169,575.88x = 254,369.24 × 85,290.04
  4. Step 4: Simplify right side
    169,575.88x = 21,695,162,654.37
  5. Step 5: Solve for x
    x = 21,695,162,654.37/169,575.88
  6. Step 6: Final answer
    x = 127,937.79

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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.