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Finding the Fourth Proportional to 229,379.85, 343,982.03 and 75,470.00

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Solution

The fourth proportional to 229,379.85, 343,982.03 and 75,470.00 is: 113,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,379.85 : 343,982.03 = 75,470.00 : x
  2. Step 2: Convert to fraction form
    229,379.85/343,982.03 = 75,470.00/x
  3. Step 3: Cross multiply
    229,379.85x = 343,982.03 × 75,470.00
  4. Step 4: Simplify right side
    229,379.85x = 25,960,321,706.84
  5. Step 5: Solve for x
    x = 25,960,321,706.84/229,379.85
  6. Step 6: Final answer
    x = 113,176.12

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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.