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Finding the Fourth Proportional to 79,148.44, 118,747.50 and 34,812.46

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Solution

The fourth proportional to 79,148.44, 118,747.50 and 34,812.46 is: 52,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,148.44 : 118,747.50 = 34,812.46 : x
  2. Step 2: Convert to fraction form
    79,148.44/118,747.50 = 34,812.46/x
  3. Step 3: Cross multiply
    79,148.44x = 118,747.50 × 34,812.46
  4. Step 4: Simplify right side
    79,148.44x = 4,133,892,593.85
  5. Step 5: Solve for x
    x = 4,133,892,593.85/79,148.44
  6. Step 6: Final answer
    x = 52,229.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.