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Finding the Fourth Proportional to 79,722.80, 119,604.76 and 29,803.27

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Solution

The fourth proportional to 79,722.80, 119,604.76 and 29,803.27 is: 44,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,722.80 : 119,604.76 = 29,803.27 : x
  2. Step 2: Convert to fraction form
    79,722.80/119,604.76 = 29,803.27/x
  3. Step 3: Cross multiply
    79,722.80x = 119,604.76 × 29,803.27
  4. Step 4: Simplify right side
    79,722.80x = 3,564,612,955.57
  5. Step 5: Solve for x
    x = 3,564,612,955.57/79,722.80
  6. Step 6: Final answer
    x = 44,712.59

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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.