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Finding the Fourth Proportional to 229,744.35, 344,617.89 and 79,879.72

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Solution

The fourth proportional to 229,744.35, 344,617.89 and 79,879.72 is: 119,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,744.35 : 344,617.89 = 79,879.72 : x
  2. Step 2: Convert to fraction form
    229,744.35/344,617.89 = 79,879.72/x
  3. Step 3: Cross multiply
    229,744.35x = 344,617.89 × 79,879.72
  4. Step 4: Simplify right side
    229,744.35x = 27,527,980,494.58
  5. Step 5: Solve for x
    x = 27,527,980,494.58/229,744.35
  6. Step 6: Final answer
    x = 119,820.05

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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.