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Finding the Fourth Proportional to 83,359.76, 125,040.20 and 34,111.76

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Solution

The fourth proportional to 83,359.76, 125,040.20 and 34,111.76 is: 51,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,359.76 : 125,040.20 = 34,111.76 : x
  2. Step 2: Convert to fraction form
    83,359.76/125,040.20 = 34,111.76/x
  3. Step 3: Cross multiply
    83,359.76x = 125,040.20 × 34,111.76
  4. Step 4: Simplify right side
    83,359.76x = 4,265,341,292.75
  5. Step 5: Solve for x
    x = 4,265,341,292.75/83,359.76
  6. Step 6: Final answer
    x = 51,167.87

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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.