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Finding the Fourth Proportional to 79,522.75, 109,743.96 and 43,715.35

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Solution

The fourth proportional to 79,522.75, 109,743.96 and 43,715.35 is: 60,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,522.75 : 109,743.96 = 43,715.35 : x
  2. Step 2: Convert to fraction form
    79,522.75/109,743.96 = 43,715.35/x
  3. Step 3: Cross multiply
    79,522.75x = 109,743.96 × 43,715.35
  4. Step 4: Simplify right side
    79,522.75x = 4,797,495,621.79
  5. Step 5: Solve for x
    x = 4,797,495,621.79/79,522.75
  6. Step 6: Final answer
    x = 60,328.59

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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.