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Finding the Fourth Proportional to 79,955.27, 110,344.74 and 45,974.80

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Solution

The fourth proportional to 79,955.27, 110,344.74 and 45,974.80 is: 63,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,955.27 : 110,344.74 = 45,974.80 : x
  2. Step 2: Convert to fraction form
    79,955.27/110,344.74 = 45,974.80/x
  3. Step 3: Cross multiply
    79,955.27x = 110,344.74 × 45,974.80
  4. Step 4: Simplify right side
    79,955.27x = 5,073,077,272.80
  5. Step 5: Solve for x
    x = 5,073,077,272.80/79,955.27
  6. Step 6: Final answer
    x = 63,448.94

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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.