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Finding the Fourth Proportional to 83,351.59, 124,915.56 and 53,754.19

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Solution

The fourth proportional to 83,351.59, 124,915.56 and 53,754.19 is: 80,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,351.59 : 124,915.56 = 53,754.19 : x
  2. Step 2: Convert to fraction form
    83,351.59/124,915.56 = 53,754.19/x
  3. Step 3: Cross multiply
    83,351.59x = 124,915.56 × 53,754.19
  4. Step 4: Simplify right side
    83,351.59x = 6,714,734,746.20
  5. Step 5: Solve for x
    x = 6,714,734,746.20/83,351.59
  6. Step 6: Final answer
    x = 80,559.17

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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.