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Finding the Fourth Proportional to 172,317.38, 237,797.97 and 96,865.88

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Solution

The fourth proportional to 172,317.38, 237,797.97 and 96,865.88 is: 133,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,317.38 : 237,797.97 = 96,865.88 : x
  2. Step 2: Convert to fraction form
    172,317.38/237,797.97 = 96,865.88/x
  3. Step 3: Cross multiply
    172,317.38x = 237,797.97 × 96,865.88
  4. Step 4: Simplify right side
    172,317.38x = 23,034,509,626.26
  5. Step 5: Solve for x
    x = 23,034,509,626.26/172,317.38
  6. Step 6: Final answer
    x = 133,674.91

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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.