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Finding the Fourth Proportional to 83,371.67, 115,042.18 and 47,559.54

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Solution

The fourth proportional to 83,371.67, 115,042.18 and 47,559.54 is: 65,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,371.67 : 115,042.18 = 47,559.54 : x
  2. Step 2: Convert to fraction form
    83,371.67/115,042.18 = 47,559.54/x
  3. Step 3: Cross multiply
    83,371.67x = 115,042.18 × 47,559.54
  4. Step 4: Simplify right side
    83,371.67x = 5,471,353,161.40
  5. Step 5: Solve for x
    x = 5,471,353,161.40/83,371.67
  6. Step 6: Final answer
    x = 65,626.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.