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Finding the Fourth Proportional to 75,084, 112,536.12 and 35,049.12

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Solution

The fourth proportional to 75,084, 112,536.12 and 35,049.12 is: 52,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084 : 112,536.12 = 35,049.12 : x
  2. Step 2: Convert to fraction form
    75,084/112,536.12 = 35,049.12/x
  3. Step 3: Cross multiply
    75,084x = 112,536.12 × 35,049.12
  4. Step 4: Simplify right side
    75,084x = 3,944,291,974.21
  5. Step 5: Solve for x
    x = 3,944,291,974.21/75,084
  6. Step 6: Final answer
    x = 52,531.72

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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.