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Finding the Fourth Proportional to 79,931.34, 110,300.49 and 44,120.43

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Solution

The fourth proportional to 79,931.34, 110,300.49 and 44,120.43 is: 60,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,931.34 : 110,300.49 = 44,120.43 : x
  2. Step 2: Convert to fraction form
    79,931.34/110,300.49 = 44,120.43/x
  3. Step 3: Cross multiply
    79,931.34x = 110,300.49 × 44,120.43
  4. Step 4: Simplify right side
    79,931.34x = 4,866,505,048.01
  5. Step 5: Solve for x
    x = 4,866,505,048.01/79,931.34
  6. Step 6: Final answer
    x = 60,883.57

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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.