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Finding the Fourth Proportional to 361,117.29, 541,610.28 and 108,338.34

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Solution

The fourth proportional to 361,117.29, 541,610.28 and 108,338.34 is: 162,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,117.29 : 541,610.28 = 108,338.34 : x
  2. Step 2: Convert to fraction form
    361,117.29/541,610.28 = 108,338.34/x
  3. Step 3: Cross multiply
    361,117.29x = 541,610.28 × 108,338.34
  4. Step 4: Simplify right side
    361,117.29x = 58,677,158,662.14
  5. Step 5: Solve for x
    x = 58,677,158,662.14/361,117.29
  6. Step 6: Final answer
    x = 162,487.81

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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.