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Finding the Fourth Proportional to 171,216, 236,279 and 95,764.48

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Solution

The fourth proportional to 171,216, 236,279 and 95,764.48 is: 132,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,216 : 236,279 = 95,764.48 : x
  2. Step 2: Convert to fraction form
    171,216/236,279 = 95,764.48/x
  3. Step 3: Cross multiply
    171,216x = 236,279 × 95,764.48
  4. Step 4: Simplify right side
    171,216x = 22,627,135,569.92
  5. Step 5: Solve for x
    x = 22,627,135,569.92/171,216
  6. Step 6: Final answer
    x = 132,155.50

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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.