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Finding the Fourth Proportional to 79,760.65, 110,074.53 and 43,950.61

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Solution

The fourth proportional to 79,760.65, 110,074.53 and 43,950.61 is: 60,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,760.65 : 110,074.53 = 43,950.61 : x
  2. Step 2: Convert to fraction form
    79,760.65/110,074.53 = 43,950.61/x
  3. Step 3: Cross multiply
    79,760.65x = 110,074.53 × 43,950.61
  4. Step 4: Simplify right side
    79,760.65x = 4,837,842,738.96
  5. Step 5: Solve for x
    x = 4,837,842,738.96/79,760.65
  6. Step 6: Final answer
    x = 60,654.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.