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Finding the Fourth Proportional to 125,951.10, 188,598.60 and 120,046.20

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Solution

The fourth proportional to 125,951.10, 188,598.60 and 120,046.20 is: 179,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,951.10 : 188,598.60 = 120,046.20 : x
  2. Step 2: Convert to fraction form
    125,951.10/188,598.60 = 120,046.20/x
  3. Step 3: Cross multiply
    125,951.10x = 188,598.60 × 120,046.20
  4. Step 4: Simplify right side
    125,951.10x = 22,640,545,255.32
  5. Step 5: Solve for x
    x = 22,640,545,255.32/125,951.10
  6. Step 6: Final answer
    x = 179,756.63

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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.