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Finding the Fourth Proportional to 125,630.80, 188,446.20 and 32,131.60

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Solution

The fourth proportional to 125,630.80, 188,446.20 and 32,131.60 is: 48,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,630.80 : 188,446.20 = 32,131.60 : x
  2. Step 2: Convert to fraction form
    125,630.80/188,446.20 = 32,131.60/x
  3. Step 3: Cross multiply
    125,630.80x = 188,446.20 × 32,131.60
  4. Step 4: Simplify right side
    125,630.80x = 6,055,077,919.92
  5. Step 5: Solve for x
    x = 6,055,077,919.92/125,630.80
  6. Step 6: Final answer
    x = 48,197.40

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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.