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Finding the Fourth Proportional to 79,430.84, 119,073.24 and 34,423.97

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Solution

The fourth proportional to 79,430.84, 119,073.24 and 34,423.97 is: 51,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,430.84 : 119,073.24 = 34,423.97 : x
  2. Step 2: Convert to fraction form
    79,430.84/119,073.24 = 34,423.97/x
  3. Step 3: Cross multiply
    79,430.84x = 119,073.24 × 34,423.97
  4. Step 4: Simplify right side
    79,430.84x = 4,098,973,046.20
  5. Step 5: Solve for x
    x = 4,098,973,046.20/79,430.84
  6. Step 6: Final answer
    x = 51,604.31

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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.