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Finding the Fourth Proportional to 115,651.52, 173,359.12 and 65,626

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Solution

The fourth proportional to 115,651.52, 173,359.12 and 65,626 is: 98,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,651.52 : 173,359.12 = 65,626 : x
  2. Step 2: Convert to fraction form
    115,651.52/173,359.12 = 65,626/x
  3. Step 3: Cross multiply
    115,651.52x = 173,359.12 × 65,626
  4. Step 4: Simplify right side
    115,651.52x = 11,376,865,609.12
  5. Step 5: Solve for x
    x = 11,376,865,609.12/115,651.52
  6. Step 6: Final answer
    x = 98,371.95

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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.