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Finding the Fourth Proportional to 83,846.73, 115,724.91 and 48,060.70

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Solution

The fourth proportional to 83,846.73, 115,724.91 and 48,060.70 is: 66,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,846.73 : 115,724.91 = 48,060.70 : x
  2. Step 2: Convert to fraction form
    83,846.73/115,724.91 = 48,060.70/x
  3. Step 3: Cross multiply
    83,846.73x = 115,724.91 × 48,060.70
  4. Step 4: Simplify right side
    83,846.73x = 5,561,820,182.04
  5. Step 5: Solve for x
    x = 5,561,820,182.04/83,846.73
  6. Step 6: Final answer
    x = 66,333.18

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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.