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Finding the Fourth Proportional to 83,252.80, 124,879.20 and 82,734.40

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Solution

The fourth proportional to 83,252.80, 124,879.20 and 82,734.40 is: 124,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,252.80 : 124,879.20 = 82,734.40 : x
  2. Step 2: Convert to fraction form
    83,252.80/124,879.20 = 82,734.40/x
  3. Step 3: Cross multiply
    83,252.80x = 124,879.20 × 82,734.40
  4. Step 4: Simplify right side
    83,252.80x = 10,331,805,684.48
  5. Step 5: Solve for x
    x = 10,331,805,684.48/83,252.80
  6. Step 6: Final answer
    x = 124,101.60

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1.5x scale

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.