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Finding the Fourth Proportional to 83,147.73, 124,689.23 and 26,974.26

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Solution

The fourth proportional to 83,147.73, 124,689.23 and 26,974.26 is: 40,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,147.73 : 124,689.23 = 26,974.26 : x
  2. Step 2: Convert to fraction form
    83,147.73/124,689.23 = 26,974.26/x
  3. Step 3: Cross multiply
    83,147.73x = 124,689.23 × 26,974.26
  4. Step 4: Simplify right side
    83,147.73x = 3,363,399,574.35
  5. Step 5: Solve for x
    x = 3,363,399,574.35/83,147.73
  6. Step 6: Final answer
    x = 40,450.89

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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.