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Finding the Fourth Proportional to 295,854.52, 408,179.58 and 168,439.96

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Solution

The fourth proportional to 295,854.52, 408,179.58 and 168,439.96 is: 232,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,854.52 : 408,179.58 = 168,439.96 : x
  2. Step 2: Convert to fraction form
    295,854.52/408,179.58 = 168,439.96/x
  3. Step 3: Cross multiply
    295,854.52x = 408,179.58 × 168,439.96
  4. Step 4: Simplify right side
    295,854.52x = 68,753,752,128.02
  5. Step 5: Solve for x
    x = 68,753,752,128.02/295,854.52
  6. Step 6: Final answer
    x = 232,390.41

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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.