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Finding the Fourth Proportional to 79,764.58, 119,610.15 and 27,159.94

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Solution

The fourth proportional to 79,764.58, 119,610.15 and 27,159.94 is: 40,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,764.58 : 119,610.15 = 27,159.94 : x
  2. Step 2: Convert to fraction form
    79,764.58/119,610.15 = 27,159.94/x
  3. Step 3: Cross multiply
    79,764.58x = 119,610.15 × 27,159.94
  4. Step 4: Simplify right side
    79,764.58x = 3,248,604,497.39
  5. Step 5: Solve for x
    x = 3,248,604,497.39/79,764.58
  6. Step 6: Final answer
    x = 40,727.41

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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.