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Finding the Fourth Proportional to 113,757.71, 157,016.87 and 66,026.44

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Solution

The fourth proportional to 113,757.71, 157,016.87 and 66,026.44 is: 91,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,757.71 : 157,016.87 = 66,026.44 : x
  2. Step 2: Convert to fraction form
    113,757.71/157,016.87 = 66,026.44/x
  3. Step 3: Cross multiply
    113,757.71x = 157,016.87 × 66,026.44
  4. Step 4: Simplify right side
    113,757.71x = 10,367,264,470.97
  5. Step 5: Solve for x
    x = 10,367,264,470.97/113,757.71
  6. Step 6: Final answer
    x = 91,134.61

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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.