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Finding the Fourth Proportional to 168,691.20, 253,036.80 and 44,032.20

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Solution

The fourth proportional to 168,691.20, 253,036.80 and 44,032.20 is: 66,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,691.20 : 253,036.80 = 44,032.20 : x
  2. Step 2: Convert to fraction form
    168,691.20/253,036.80 = 44,032.20/x
  3. Step 3: Cross multiply
    168,691.20x = 253,036.80 × 44,032.20
  4. Step 4: Simplify right side
    168,691.20x = 11,141,766,984.96
  5. Step 5: Solve for x
    x = 11,141,766,984.96/168,691.20
  6. Step 6: Final answer
    x = 66,048.30

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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.