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Finding the Fourth Proportional to 170,793.80, 256,190.70 and 104,438.60

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Solution

The fourth proportional to 170,793.80, 256,190.70 and 104,438.60 is: 156,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,793.80 : 256,190.70 = 104,438.60 : x
  2. Step 2: Convert to fraction form
    170,793.80/256,190.70 = 104,438.60/x
  3. Step 3: Cross multiply
    170,793.80x = 256,190.70 × 104,438.60
  4. Step 4: Simplify right side
    170,793.80x = 26,756,198,041.02
  5. Step 5: Solve for x
    x = 26,756,198,041.02/170,793.80
  6. Step 6: Final answer
    x = 156,657.90

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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.