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Finding the Fourth Proportional to 79,791.87, 110,064.06 and 47,504.91

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Solution

The fourth proportional to 79,791.87, 110,064.06 and 47,504.91 is: 65,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,791.87 : 110,064.06 = 47,504.91 : x
  2. Step 2: Convert to fraction form
    79,791.87/110,064.06 = 47,504.91/x
  3. Step 3: Cross multiply
    79,791.87x = 110,064.06 × 47,504.91
  4. Step 4: Simplify right side
    79,791.87x = 5,228,583,264.53
  5. Step 5: Solve for x
    x = 5,228,583,264.53/79,791.87
  6. Step 6: Final answer
    x = 65,527.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.