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Finding the Fourth Proportional to 114,843.71, 158,489.61 and 63,861.60

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Solution

The fourth proportional to 114,843.71, 158,489.61 and 63,861.60 is: 88,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,843.71 : 158,489.61 = 63,861.60 : x
  2. Step 2: Convert to fraction form
    114,843.71/158,489.61 = 63,861.60/x
  3. Step 3: Cross multiply
    114,843.71x = 158,489.61 × 63,861.60
  4. Step 4: Simplify right side
    114,843.71x = 10,121,400,077.98
  5. Step 5: Solve for x
    x = 10,121,400,077.98/114,843.71
  6. Step 6: Final answer
    x = 88,131.95

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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.