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Finding the Fourth Proportional to 76,713.94, 115,003.14 and 29,934.10

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Solution

The fourth proportional to 76,713.94, 115,003.14 and 29,934.10 is: 44,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,713.94 : 115,003.14 = 29,934.10 : x
  2. Step 2: Convert to fraction form
    76,713.94/115,003.14 = 29,934.10/x
  3. Step 3: Cross multiply
    76,713.94x = 115,003.14 × 29,934.10
  4. Step 4: Simplify right side
    76,713.94x = 3,442,515,493.07
  5. Step 5: Solve for x
    x = 3,442,515,493.07/76,713.94
  6. Step 6: Final answer
    x = 44,874.71

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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.