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Finding the Fourth Proportional to 79,590.80, 119,345.11 and 23,423.61

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Solution

The fourth proportional to 79,590.80, 119,345.11 and 23,423.61 is: 35,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,590.80 : 119,345.11 = 23,423.61 : x
  2. Step 2: Convert to fraction form
    79,590.80/119,345.11 = 23,423.61/x
  3. Step 3: Cross multiply
    79,590.80x = 119,345.11 × 23,423.61
  4. Step 4: Simplify right side
    79,590.80x = 2,795,493,832.79
  5. Step 5: Solve for x
    x = 2,795,493,832.79/79,590.80
  6. Step 6: Final answer
    x = 35,123.33

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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.