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Finding the Fourth Proportional to 114,843.75, 158,489.64 and 63,861.69

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Solution

The fourth proportional to 114,843.75, 158,489.64 and 63,861.69 is: 88,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,843.75 : 158,489.64 = 63,861.69 : x
  2. Step 2: Convert to fraction form
    114,843.75/158,489.64 = 63,861.69/x
  3. Step 3: Cross multiply
    114,843.75x = 158,489.64 × 63,861.69
  4. Step 4: Simplify right side
    114,843.75x = 10,121,416,257.89
  5. Step 5: Solve for x
    x = 10,121,416,257.89/114,843.75
  6. Step 6: Final answer
    x = 88,132.06

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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.