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Finding the Fourth Proportional to 76,790.69, 115,186.01 and 24,204.27

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Solution

The fourth proportional to 76,790.69, 115,186.01 and 24,204.27 is: 36,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,790.69 : 115,186.01 = 24,204.27 : x
  2. Step 2: Convert to fraction form
    76,790.69/115,186.01 = 24,204.27/x
  3. Step 3: Cross multiply
    76,790.69x = 115,186.01 × 24,204.27
  4. Step 4: Simplify right side
    76,790.69x = 2,787,993,165.24
  5. Step 5: Solve for x
    x = 2,787,993,165.24/76,790.69
  6. Step 6: Final answer
    x = 36,306.40

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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.