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Finding the Fourth Proportional to 223,691.40, 335,537.10 and 75,947.40

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Solution

The fourth proportional to 223,691.40, 335,537.10 and 75,947.40 is: 113,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,691.40 : 335,537.10 = 75,947.40 : x
  2. Step 2: Convert to fraction form
    223,691.40/335,537.10 = 75,947.40/x
  3. Step 3: Cross multiply
    223,691.40x = 335,537.10 × 75,947.40
  4. Step 4: Simplify right side
    223,691.40x = 25,483,170,348.54
  5. Step 5: Solve for x
    x = 25,483,170,348.54/223,691.40
  6. Step 6: Final answer
    x = 113,921.10

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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.