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Finding the Fourth Proportional to 229,224.67, 343,841.27 and 79,469.85

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Solution

The fourth proportional to 229,224.67, 343,841.27 and 79,469.85 is: 119,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,224.67 : 343,841.27 = 79,469.85 : x
  2. Step 2: Convert to fraction form
    229,224.67/343,841.27 = 79,469.85/x
  3. Step 3: Cross multiply
    229,224.67x = 343,841.27 × 79,469.85
  4. Step 4: Simplify right side
    229,224.67x = 27,325,014,150.71
  5. Step 5: Solve for x
    x = 27,325,014,150.71/229,224.67
  6. Step 6: Final answer
    x = 119,206.25

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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.