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Finding the Fourth Proportional to 158,614.38, 237,983.85 and 69,805.59

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Solution

The fourth proportional to 158,614.38, 237,983.85 and 69,805.59 is: 104,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,614.38 : 237,983.85 = 69,805.59 : x
  2. Step 2: Convert to fraction form
    158,614.38/237,983.85 = 69,805.59/x
  3. Step 3: Cross multiply
    158,614.38x = 237,983.85 × 69,805.59
  4. Step 4: Simplify right side
    158,614.38x = 16,612,603,059.72
  5. Step 5: Solve for x
    x = 16,612,603,059.72/158,614.38
  6. Step 6: Final answer
    x = 104,735.79

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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.