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Finding the Fourth Proportional to 242,175.98, 363,067.13 and 84,515.15

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Solution

The fourth proportional to 242,175.98, 363,067.13 and 84,515.15 is: 126,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,175.98 : 363,067.13 = 84,515.15 : x
  2. Step 2: Convert to fraction form
    242,175.98/363,067.13 = 84,515.15/x
  3. Step 3: Cross multiply
    242,175.98x = 363,067.13 × 84,515.15
  4. Step 4: Simplify right side
    242,175.98x = 30,684,672,952.02
  5. Step 5: Solve for x
    x = 30,684,672,952.02/242,175.98
  6. Step 6: Final answer
    x = 126,704.03

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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.