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Finding the Fourth Proportional to 114,766.67, 158,375.96 and 63,778.49

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Solution

The fourth proportional to 114,766.67, 158,375.96 and 63,778.49 is: 88,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,766.67 : 158,375.96 = 63,778.49 : x
  2. Step 2: Convert to fraction form
    114,766.67/158,375.96 = 63,778.49/x
  3. Step 3: Cross multiply
    114,766.67x = 158,375.96 × 63,778.49
  4. Step 4: Simplify right side
    114,766.67x = 10,100,979,303.41
  5. Step 5: Solve for x
    x = 10,100,979,303.41/114,766.67
  6. Step 6: Final answer
    x = 88,013.18

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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.