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Finding the Fourth Proportional to 114,750.52, 158,352.57 and 63,761.94

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Solution

The fourth proportional to 114,750.52, 158,352.57 and 63,761.94 is: 87,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,750.52 : 158,352.57 = 63,761.94 : x
  2. Step 2: Convert to fraction form
    114,750.52/158,352.57 = 63,761.94/x
  3. Step 3: Cross multiply
    114,750.52x = 158,352.57 × 63,761.94
  4. Step 4: Simplify right side
    114,750.52x = 10,096,867,067.19
  5. Step 5: Solve for x
    x = 10,096,867,067.19/114,750.52
  6. Step 6: Final answer
    x = 87,989.73

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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.