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Finding the Fourth Proportional to 114,866.50, 158,519.92 and 63,884.46

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Solution

The fourth proportional to 114,866.50, 158,519.92 and 63,884.46 is: 88,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,866.50 : 158,519.92 = 63,884.46 : x
  2. Step 2: Convert to fraction form
    114,866.50/158,519.92 = 63,884.46/x
  3. Step 3: Cross multiply
    114,866.50x = 158,519.92 × 63,884.46
  4. Step 4: Simplify right side
    114,866.50x = 10,126,958,772.72
  5. Step 5: Solve for x
    x = 10,126,958,772.72/114,866.50
  6. Step 6: Final answer
    x = 88,162.85

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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.