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Finding the Fourth Proportional to 170,956.80, 235,891.20 and 95,500.80

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Solution

The fourth proportional to 170,956.80, 235,891.20 and 95,500.80 is: 131,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,956.80 : 235,891.20 = 95,500.80 : x
  2. Step 2: Convert to fraction form
    170,956.80/235,891.20 = 95,500.80/x
  3. Step 3: Cross multiply
    170,956.80x = 235,891.20 × 95,500.80
  4. Step 4: Simplify right side
    170,956.80x = 22,527,798,312.96
  5. Step 5: Solve for x
    x = 22,527,798,312.96/170,956.80
  6. Step 6: Final answer
    x = 131,774.80

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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.