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Finding the Fourth Proportional to 171,891.88, 237,198.18 and 95,415.40

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Solution

The fourth proportional to 171,891.88, 237,198.18 and 95,415.40 is: 131,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,891.88 : 237,198.18 = 95,415.40 : x
  2. Step 2: Convert to fraction form
    171,891.88/237,198.18 = 95,415.40/x
  3. Step 3: Cross multiply
    171,891.88x = 237,198.18 × 95,415.40
  4. Step 4: Simplify right side
    171,891.88x = 22,632,359,223.97
  5. Step 5: Solve for x
    x = 22,632,359,223.97/171,891.88
  6. Step 6: Final answer
    x = 131,666.25

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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.