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Finding the Fourth Proportional to 240,854.52, 332,311.36 and 138,871.96

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Solution

The fourth proportional to 240,854.52, 332,311.36 and 138,871.96 is: 191,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,854.52 : 332,311.36 = 138,871.96 : x
  2. Step 2: Convert to fraction form
    240,854.52/332,311.36 = 138,871.96/x
  3. Step 3: Cross multiply
    240,854.52x = 332,311.36 × 138,871.96
  4. Step 4: Simplify right side
    240,854.52x = 46,148,729,893.47
  5. Step 5: Solve for x
    x = 46,148,729,893.47/240,854.52
  6. Step 6: Final answer
    x = 191,604.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.