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Finding the Fourth Proportional to 144,067.68, 198,813.33 and 79,536.87

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Solution

The fourth proportional to 144,067.68, 198,813.33 and 79,536.87 is: 109,760.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,067.68 : 198,813.33 = 79,536.87 : x
  2. Step 2: Convert to fraction form
    144,067.68/198,813.33 = 79,536.87/x
  3. Step 3: Cross multiply
    144,067.68x = 198,813.33 × 79,536.87
  4. Step 4: Simplify right side
    144,067.68x = 15,812,989,982.48
  5. Step 5: Solve for x
    x = 15,812,989,982.48/144,067.68
  6. Step 6: Final answer
    x = 109,760.84

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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.