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Finding the Fourth Proportional to 79,449.84, 119,175.76 and 23,291.07

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Solution

The fourth proportional to 79,449.84, 119,175.76 and 23,291.07 is: 34,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,449.84 : 119,175.76 = 23,291.07 : x
  2. Step 2: Convert to fraction form
    79,449.84/119,175.76 = 23,291.07/x
  3. Step 3: Cross multiply
    79,449.84x = 119,175.76 × 23,291.07
  4. Step 4: Simplify right side
    79,449.84x = 2,775,731,149.95
  5. Step 5: Solve for x
    x = 2,775,731,149.95/79,449.84
  6. Step 6: Final answer
    x = 34,936.90

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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.