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Finding the Fourth Proportional to 195,998.64, 270,594.05 and 123,463.68

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Solution

The fourth proportional to 195,998.64, 270,594.05 and 123,463.68 is: 170,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,998.64 : 270,594.05 = 123,463.68 : x
  2. Step 2: Convert to fraction form
    195,998.64/270,594.05 = 123,463.68/x
  3. Step 3: Cross multiply
    195,998.64x = 270,594.05 × 123,463.68
  4. Step 4: Simplify right side
    195,998.64x = 33,408,536,581.79
  5. Step 5: Solve for x
    x = 33,408,536,581.79/195,998.64
  6. Step 6: Final answer
    x = 170,452.90

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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.