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Finding the Fourth Proportional to 324,862.98, 487,238.58 and 88,224.72

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Solution

The fourth proportional to 324,862.98, 487,238.58 and 88,224.72 is: 132,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,862.98 : 487,238.58 = 88,224.72 : x
  2. Step 2: Convert to fraction form
    324,862.98/487,238.58 = 88,224.72/x
  3. Step 3: Cross multiply
    324,862.98x = 487,238.58 × 88,224.72
  4. Step 4: Simplify right side
    324,862.98x = 42,986,487,293.70
  5. Step 5: Solve for x
    x = 42,986,487,293.70/324,862.98
  6. Step 6: Final answer
    x = 132,321.90

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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.