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Finding the Fourth Proportional to 83,958.52, 125,282.91 and 76,506.52

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Solution

The fourth proportional to 83,958.52, 125,282.91 and 76,506.52 is: 114,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,958.52 : 125,282.91 = 76,506.52 : x
  2. Step 2: Convert to fraction form
    83,958.52/125,282.91 = 76,506.52/x
  3. Step 3: Cross multiply
    83,958.52x = 125,282.91 × 76,506.52
  4. Step 4: Simplify right side
    83,958.52x = 9,584,959,459.57
  5. Step 5: Solve for x
    x = 9,584,959,459.57/83,958.52
  6. Step 6: Final answer
    x = 114,163.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.