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Finding the Fourth Proportional to 83,710.80, 125,566.20 and 50,495.74

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Solution

The fourth proportional to 83,710.80, 125,566.20 and 50,495.74 is: 75,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,710.80 : 125,566.20 = 50,495.74 : x
  2. Step 2: Convert to fraction form
    83,710.80/125,566.20 = 50,495.74/x
  3. Step 3: Cross multiply
    83,710.80x = 125,566.20 × 50,495.74
  4. Step 4: Simplify right side
    83,710.80x = 6,340,557,874.07
  5. Step 5: Solve for x
    x = 6,340,557,874.07/83,710.80
  6. Step 6: Final answer
    x = 75,743.61

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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.