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Finding the Fourth Proportional to 223,758.20, 308,629.14 and 147,252.92

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Solution

The fourth proportional to 223,758.20, 308,629.14 and 147,252.92 is: 203,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,758.20 : 308,629.14 = 147,252.92 : x
  2. Step 2: Convert to fraction form
    223,758.20/308,629.14 = 147,252.92/x
  3. Step 3: Cross multiply
    223,758.20x = 308,629.14 × 147,252.92
  4. Step 4: Simplify right side
    223,758.20x = 45,446,542,062.09
  5. Step 5: Solve for x
    x = 45,446,542,062.09/223,758.20
  6. Step 6: Final answer
    x = 203,105.59

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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.