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Finding the Fourth Proportional to 79,761.65, 110,071.44 and 43,950.92

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Solution

The fourth proportional to 79,761.65, 110,071.44 and 43,950.92 is: 60,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,761.65 : 110,071.44 = 43,950.92 : x
  2. Step 2: Convert to fraction form
    79,761.65/110,071.44 = 43,950.92/x
  3. Step 3: Cross multiply
    79,761.65x = 110,071.44 × 43,950.92
  4. Step 4: Simplify right side
    79,761.65x = 4,837,740,503.37
  5. Step 5: Solve for x
    x = 4,837,740,503.37/79,761.65
  6. Step 6: Final answer
    x = 60,652.47

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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.