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Finding the Fourth Proportional to 229,229.55, 343,848.57 and 79,474.72

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Solution

The fourth proportional to 229,229.55, 343,848.57 and 79,474.72 is: 119,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,229.55 : 343,848.57 = 79,474.72 : x
  2. Step 2: Convert to fraction form
    229,229.55/343,848.57 = 79,474.72/x
  3. Step 3: Cross multiply
    229,229.55x = 343,848.57 × 79,474.72
  4. Step 4: Simplify right side
    229,229.55x = 27,327,268,823.15
  5. Step 5: Solve for x
    x = 27,327,268,823.15/229,229.55
  6. Step 6: Final answer
    x = 119,213.55

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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.