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Finding the Fourth Proportional to 228,805.98, 343,213.52 and 161,060.94

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Solution

The fourth proportional to 228,805.98, 343,213.52 and 161,060.94 is: 241,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,805.98 : 343,213.52 = 161,060.94 : x
  2. Step 2: Convert to fraction form
    228,805.98/343,213.52 = 161,060.94/x
  3. Step 3: Cross multiply
    228,805.98x = 343,213.52 × 161,060.94
  4. Step 4: Simplify right side
    228,805.98x = 55,278,291,346.60
  5. Step 5: Solve for x
    x = 55,278,291,346.60/228,805.98
  6. Step 6: Final answer
    x = 241,594.61

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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.