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Finding the Fourth Proportional to 79,324.92, 119,013.30 and 61,854.84

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Solution

The fourth proportional to 79,324.92, 119,013.30 and 61,854.84 is: 92,802.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,324.92 : 119,013.30 = 61,854.84 : x
  2. Step 2: Convert to fraction form
    79,324.92/119,013.30 = 61,854.84/x
  3. Step 3: Cross multiply
    79,324.92x = 119,013.30 × 61,854.84
  4. Step 4: Simplify right side
    79,324.92x = 7,361,548,629.37
  5. Step 5: Solve for x
    x = 7,361,548,629.37/79,324.92
  6. Step 6: Final answer
    x = 92,802.47

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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.