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Finding the Fourth Proportional to 170,642.92, 235,470.88 and 95,196.28

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Solution

The fourth proportional to 170,642.92, 235,470.88 and 95,196.28 is: 131,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,642.92 : 235,470.88 = 95,196.28 : x
  2. Step 2: Convert to fraction form
    170,642.92/235,470.88 = 95,196.28/x
  3. Step 3: Cross multiply
    170,642.92x = 235,470.88 × 95,196.28
  4. Step 4: Simplify right side
    170,642.92x = 22,415,951,824.33
  5. Step 5: Solve for x
    x = 22,415,951,824.33/170,642.92
  6. Step 6: Final answer
    x = 131,361.75

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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.