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Finding the Fourth Proportional to 360,890.52, 541,139.94 and 108,135.96

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Solution

The fourth proportional to 360,890.52, 541,139.94 and 108,135.96 is: 162,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,890.52 : 541,139.94 = 108,135.96 : x
  2. Step 2: Convert to fraction form
    360,890.52/541,139.94 = 108,135.96/x
  3. Step 3: Cross multiply
    360,890.52x = 541,139.94 × 108,135.96
  4. Step 4: Simplify right side
    360,890.52x = 58,516,686,906.24
  5. Step 5: Solve for x
    x = 58,516,686,906.24/360,890.52
  6. Step 6: Final answer
    x = 162,145.26

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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.