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Finding the Fourth Proportional to 203,202.20, 304,220.10 and 124,470.20

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Solution

The fourth proportional to 203,202.20, 304,220.10 and 124,470.20 is: 186,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,202.20 : 304,220.10 = 124,470.20 : x
  2. Step 2: Convert to fraction form
    203,202.20/304,220.10 = 124,470.20/x
  3. Step 3: Cross multiply
    203,202.20x = 304,220.10 × 124,470.20
  4. Step 4: Simplify right side
    203,202.20x = 37,866,336,691.02
  5. Step 5: Solve for x
    x = 37,866,336,691.02/203,202.20
  6. Step 6: Final answer
    x = 186,348.06

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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.