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Finding the Fourth Proportional to 79,494.55, 109,700.19 and 43,684.52

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Solution

The fourth proportional to 79,494.55, 109,700.19 and 43,684.52 is: 60,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,494.55 : 109,700.19 = 43,684.52 : x
  2. Step 2: Convert to fraction form
    79,494.55/109,700.19 = 43,684.52/x
  3. Step 3: Cross multiply
    79,494.55x = 109,700.19 × 43,684.52
  4. Step 4: Simplify right side
    79,494.55x = 4,792,199,595.56
  5. Step 5: Solve for x
    x = 4,792,199,595.56/79,494.55
  6. Step 6: Final answer
    x = 60,283.37

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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.