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Finding the Fourth Proportional to 132,827.20, 199,240.80 and 62,843.20

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Solution

The fourth proportional to 132,827.20, 199,240.80 and 62,843.20 is: 94,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,827.20 : 199,240.80 = 62,843.20 : x
  2. Step 2: Convert to fraction form
    132,827.20/199,240.80 = 62,843.20/x
  3. Step 3: Cross multiply
    132,827.20x = 199,240.80 × 62,843.20
  4. Step 4: Simplify right side
    132,827.20x = 12,520,929,442.56
  5. Step 5: Solve for x
    x = 12,520,929,442.56/132,827.20
  6. Step 6: Final answer
    x = 94,264.80

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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.