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Finding the Fourth Proportional to 367,016.16, 550,578.96 and 130,338.96

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Solution

The fourth proportional to 367,016.16, 550,578.96 and 130,338.96 is: 195,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,016.16 : 550,578.96 = 130,338.96 : x
  2. Step 2: Convert to fraction form
    367,016.16/550,578.96 = 130,338.96/x
  3. Step 3: Cross multiply
    367,016.16x = 550,578.96 × 130,338.96
  4. Step 4: Simplify right side
    367,016.16x = 71,761,889,044.28
  5. Step 5: Solve for x
    x = 71,761,889,044.28/367,016.16
  6. Step 6: Final answer
    x = 195,527.87

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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.