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Finding the Fourth Proportional to 79,928.91, 110,301.90 and 44,118.93

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Solution

The fourth proportional to 79,928.91, 110,301.90 and 44,118.93 is: 60,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,928.91 : 110,301.90 = 44,118.93 : x
  2. Step 2: Convert to fraction form
    79,928.91/110,301.90 = 44,118.93/x
  3. Step 3: Cross multiply
    79,928.91x = 110,301.90 × 44,118.93
  4. Step 4: Simplify right side
    79,928.91x = 4,866,401,804.97
  5. Step 5: Solve for x
    x = 4,866,401,804.97/79,928.91
  6. Step 6: Final answer
    x = 60,884.13

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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.