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Finding the Fourth Proportional to 360,887.52, 541,135.44 and 108,132.96

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Solution

The fourth proportional to 360,887.52, 541,135.44 and 108,132.96 is: 162,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,887.52 : 541,135.44 = 108,132.96 : x
  2. Step 2: Convert to fraction form
    360,887.52/541,135.44 = 108,132.96/x
  3. Step 3: Cross multiply
    360,887.52x = 541,135.44 × 108,132.96
  4. Step 4: Simplify right side
    360,887.52x = 58,514,576,888.10
  5. Step 5: Solve for x
    x = 58,514,576,888.10/360,887.52
  6. Step 6: Final answer
    x = 162,140.76

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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.