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Finding the Fourth Proportional to 295,691.28, 408,054.14 and 159,725.24

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Solution

The fourth proportional to 295,691.28, 408,054.14 and 159,725.24 is: 220,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,691.28 : 408,054.14 = 159,725.24 : x
  2. Step 2: Convert to fraction form
    295,691.28/408,054.14 = 159,725.24/x
  3. Step 3: Cross multiply
    295,691.28x = 408,054.14 × 159,725.24
  4. Step 4: Simplify right side
    295,691.28x = 65,176,542,605.60
  5. Step 5: Solve for x
    x = 65,176,542,605.60/295,691.28
  6. Step 6: Final answer
    x = 220,420.92

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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.