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Finding the Fourth Proportional to 222,046.65, 306,417.48 and 125,249.09

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Solution

The fourth proportional to 222,046.65, 306,417.48 and 125,249.09 is: 172,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,046.65 : 306,417.48 = 125,249.09 : x
  2. Step 2: Convert to fraction form
    222,046.65/306,417.48 = 125,249.09/x
  3. Step 3: Cross multiply
    222,046.65x = 306,417.48 × 125,249.09
  4. Step 4: Simplify right side
    222,046.65x = 38,378,510,956.45
  5. Step 5: Solve for x
    x = 38,378,510,956.45/222,046.65
  6. Step 6: Final answer
    x = 172,839.86

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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.