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Finding the Fourth Proportional to 123,595.68, 185,439.92 and 57,067.68

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Solution

The fourth proportional to 123,595.68, 185,439.92 and 57,067.68 is: 85,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,595.68 : 185,439.92 = 57,067.68 : x
  2. Step 2: Convert to fraction form
    123,595.68/185,439.92 = 57,067.68/x
  3. Step 3: Cross multiply
    123,595.68x = 185,439.92 × 57,067.68
  4. Step 4: Simplify right side
    123,595.68x = 10,582,626,013.79
  5. Step 5: Solve for x
    x = 10,582,626,013.79/123,595.68
  6. Step 6: Final answer
    x = 85,622.94

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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.