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Finding the Fourth Proportional to 229,327.91, 343,905.75 and 79,532.08

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Solution

The fourth proportional to 229,327.91, 343,905.75 and 79,532.08 is: 119,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,327.91 : 343,905.75 = 79,532.08 : x
  2. Step 2: Convert to fraction form
    229,327.91/343,905.75 = 79,532.08/x
  3. Step 3: Cross multiply
    229,327.91x = 343,905.75 × 79,532.08
  4. Step 4: Simplify right side
    229,327.91x = 27,351,538,761.70
  5. Step 5: Solve for x
    x = 27,351,538,761.70/229,327.91
  6. Step 6: Final answer
    x = 119,268.25

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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.