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Finding the Fourth Proportional to 361,116.15, 541,672.91 and 108,395.54

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Solution

The fourth proportional to 361,116.15, 541,672.91 and 108,395.54 is: 162,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,116.15 : 541,672.91 = 108,395.54 : x
  2. Step 2: Convert to fraction form
    361,116.15/541,672.91 = 108,395.54/x
  3. Step 3: Cross multiply
    361,116.15x = 541,672.91 × 108,395.54
  4. Step 4: Simplify right side
    361,116.15x = 58,714,924,874.46
  5. Step 5: Solve for x
    x = 58,714,924,874.46/361,116.15
  6. Step 6: Final answer
    x = 162,592.91

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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.