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Finding the Fourth Proportional to 170,667, 235,531.80 and 95,217.12

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Solution

The fourth proportional to 170,667, 235,531.80 and 95,217.12 is: 131,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,667 : 235,531.80 = 95,217.12 : x
  2. Step 2: Convert to fraction form
    170,667/235,531.80 = 95,217.12/x
  3. Step 3: Cross multiply
    170,667x = 235,531.80 × 95,217.12
  4. Step 4: Simplify right side
    170,667x = 22,426,659,664.42
  5. Step 5: Solve for x
    x = 22,426,659,664.42/170,667
  6. Step 6: Final answer
    x = 131,405.95

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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.