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Finding the Fourth Proportional to 79,794.27, 110,085.18 and 45,790.47

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Solution

The fourth proportional to 79,794.27, 110,085.18 and 45,790.47 is: 63,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.27 : 110,085.18 = 45,790.47 : x
  2. Step 2: Convert to fraction form
    79,794.27/110,085.18 = 45,790.47/x
  3. Step 3: Cross multiply
    79,794.27x = 110,085.18 × 45,790.47
  4. Step 4: Simplify right side
    79,794.27x = 5,040,852,132.23
  5. Step 5: Solve for x
    x = 5,040,852,132.23/79,794.27
  6. Step 6: Final answer
    x = 63,173.11

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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.