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Finding the Fourth Proportional to 170,847.60, 256,271.40 and 113,766.90

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Solution

The fourth proportional to 170,847.60, 256,271.40 and 113,766.90 is: 170,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,847.60 : 256,271.40 = 113,766.90 : x
  2. Step 2: Convert to fraction form
    170,847.60/256,271.40 = 113,766.90/x
  3. Step 3: Cross multiply
    170,847.60x = 256,271.40 × 113,766.90
  4. Step 4: Simplify right side
    170,847.60x = 29,155,202,736.66
  5. Step 5: Solve for x
    x = 29,155,202,736.66/170,847.60
  6. Step 6: Final answer
    x = 170,650.35

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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.