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Finding the Fourth Proportional to 229,225.67, 343,842.77 and 79,470.85

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Solution

The fourth proportional to 229,225.67, 343,842.77 and 79,470.85 is: 119,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,225.67 : 343,842.77 = 79,470.85 : x
  2. Step 2: Convert to fraction form
    229,225.67/343,842.77 = 79,470.85/x
  3. Step 3: Cross multiply
    229,225.67x = 343,842.77 × 79,470.85
  4. Step 4: Simplify right side
    229,225.67x = 27,325,477,198.25
  5. Step 5: Solve for x
    x = 27,325,477,198.25/229,225.67
  6. Step 6: Final answer
    x = 119,207.75

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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.