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Finding the Fourth Proportional to 169,873.20, 254,837.43 and 63,257.55

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Solution

The fourth proportional to 169,873.20, 254,837.43 and 63,257.55 is: 94,896.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,873.20 : 254,837.43 = 63,257.55 : x
  2. Step 2: Convert to fraction form
    169,873.20/254,837.43 = 63,257.55/x
  3. Step 3: Cross multiply
    169,873.20x = 254,837.43 × 63,257.55
  4. Step 4: Simplify right side
    169,873.20x = 16,120,391,470.10
  5. Step 5: Solve for x
    x = 16,120,391,470.10/169,873.20
  6. Step 6: Final answer
    x = 94,896.61

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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.