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Finding the Fourth Proportional to 79,502.62, 119,252.71 and 20,337.79

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Solution

The fourth proportional to 79,502.62, 119,252.71 and 20,337.79 is: 30,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,502.62 : 119,252.71 = 20,337.79 : x
  2. Step 2: Convert to fraction form
    79,502.62/119,252.71 = 20,337.79/x
  3. Step 3: Cross multiply
    79,502.62x = 119,252.71 × 20,337.79
  4. Step 4: Simplify right side
    79,502.62x = 2,425,336,572.91
  5. Step 5: Solve for x
    x = 2,425,336,572.91/79,502.62
  6. Step 6: Final answer
    x = 30,506.37

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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.