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Finding the Fourth Proportional to 469,163.70, 703,672.65 and 132,171.30

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Solution

The fourth proportional to 469,163.70, 703,672.65 and 132,171.30 is: 198,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,163.70 : 703,672.65 = 132,171.30 : x
  2. Step 2: Convert to fraction form
    469,163.70/703,672.65 = 132,171.30/x
  3. Step 3: Cross multiply
    469,163.70x = 703,672.65 × 132,171.30
  4. Step 4: Simplify right side
    469,163.70x = 93,005,328,924.95
  5. Step 5: Solve for x
    x = 93,005,328,924.95/469,163.70
  6. Step 6: Final answer
    x = 198,236.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.