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Finding the Fourth Proportional to 222,481.76, 307,046.84 and 127,002.83

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Solution

The fourth proportional to 222,481.76, 307,046.84 and 127,002.83 is: 175,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,481.76 : 307,046.84 = 127,002.83 : x
  2. Step 2: Convert to fraction form
    222,481.76/307,046.84 = 127,002.83/x
  3. Step 3: Cross multiply
    222,481.76x = 307,046.84 × 127,002.83
  4. Step 4: Simplify right side
    222,481.76x = 38,995,815,452.31
  5. Step 5: Solve for x
    x = 38,995,815,452.31/222,481.76
  6. Step 6: Final answer
    x = 175,276.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.