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Finding the Fourth Proportional to 171,279.28, 236,371.80 and 95,828.32

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Solution

The fourth proportional to 171,279.28, 236,371.80 and 95,828.32 is: 132,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,279.28 : 236,371.80 = 95,828.32 : x
  2. Step 2: Convert to fraction form
    171,279.28/236,371.80 = 95,828.32/x
  3. Step 3: Cross multiply
    171,279.28x = 236,371.80 × 95,828.32
  4. Step 4: Simplify right side
    171,279.28x = 22,651,112,489.38
  5. Step 5: Solve for x
    x = 22,651,112,489.38/171,279.28
  6. Step 6: Final answer
    x = 132,246.66

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1.5x scale

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.