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Finding the Fourth Proportional to 73,885.86, 110,992.80 and 45,826.65

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Solution

The fourth proportional to 73,885.86, 110,992.80 and 45,826.65 is: 68,841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,885.86 : 110,992.80 = 45,826.65 : x
  2. Step 2: Convert to fraction form
    73,885.86/110,992.80 = 45,826.65/x
  3. Step 3: Cross multiply
    73,885.86x = 110,992.80 × 45,826.65
  4. Step 4: Simplify right side
    73,885.86x = 5,086,428,198.12
  5. Step 5: Solve for x
    x = 5,086,428,198.12/73,885.86
  6. Step 6: Final answer
    x = 68,841.70

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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.