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Finding the Fourth Proportional to 222,046.11, 306,452.84 and 126,530.91

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Solution

The fourth proportional to 222,046.11, 306,452.84 and 126,530.91 is: 174,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,046.11 : 306,452.84 = 126,530.91 : x
  2. Step 2: Convert to fraction form
    222,046.11/306,452.84 = 126,530.91/x
  3. Step 3: Cross multiply
    222,046.11x = 306,452.84 × 126,530.91
  4. Step 4: Simplify right side
    222,046.11x = 38,775,756,084.63
  5. Step 5: Solve for x
    x = 38,775,756,084.63/222,046.11
  6. Step 6: Final answer
    x = 174,629.30

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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.