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Finding the Fourth Proportional to 361,494.76, 542,132.84 and 108,708.15

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Solution

The fourth proportional to 361,494.76, 542,132.84 and 108,708.15 is: 163,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,494.76 : 542,132.84 = 108,708.15 : x
  2. Step 2: Convert to fraction form
    361,494.76/542,132.84 = 108,708.15/x
  3. Step 3: Cross multiply
    361,494.76x = 542,132.84 × 108,708.15
  4. Step 4: Simplify right side
    361,494.76x = 58,934,258,090.65
  5. Step 5: Solve for x
    x = 58,934,258,090.65/361,494.76
  6. Step 6: Final answer
    x = 163,029.36

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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.