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Finding the Fourth Proportional to 83,053.80, 124,600.53 and 26,893.97

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Solution

The fourth proportional to 83,053.80, 124,600.53 and 26,893.97 is: 40,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,053.80 : 124,600.53 = 26,893.97 : x
  2. Step 2: Convert to fraction form
    83,053.80/124,600.53 = 26,893.97/x
  3. Step 3: Cross multiply
    83,053.80x = 124,600.53 × 26,893.97
  4. Step 4: Simplify right side
    83,053.80x = 3,351,002,915.80
  5. Step 5: Solve for x
    x = 3,351,002,915.80/83,053.80
  6. Step 6: Final answer
    x = 40,347.38

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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.