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Finding the Fourth Proportional to 170,770.08, 256,155.12 and 87,611.04

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Solution

The fourth proportional to 170,770.08, 256,155.12 and 87,611.04 is: 131,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,770.08 : 256,155.12 = 87,611.04 : x
  2. Step 2: Convert to fraction form
    170,770.08/256,155.12 = 87,611.04/x
  3. Step 3: Cross multiply
    170,770.08x = 256,155.12 × 87,611.04
  4. Step 4: Simplify right side
    170,770.08x = 22,442,016,464.52
  5. Step 5: Solve for x
    x = 22,442,016,464.52/170,770.08
  6. Step 6: Final answer
    x = 131,416.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.