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Finding the Fourth Proportional to 79,891.79, 119,820.67 and 23,716.67

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Solution

The fourth proportional to 79,891.79, 119,820.67 and 23,716.67 is: 35,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,891.79 : 119,820.67 = 23,716.67 : x
  2. Step 2: Convert to fraction form
    79,891.79/119,820.67 = 23,716.67/x
  3. Step 3: Cross multiply
    79,891.79x = 119,820.67 × 23,716.67
  4. Step 4: Simplify right side
    79,891.79x = 2,841,746,631.17
  5. Step 5: Solve for x
    x = 2,841,746,631.17/79,891.79
  6. Step 6: Final answer
    x = 35,569.95

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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.