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Finding the Fourth Proportional to 228,806.73, 343,214.64 and 161,061.69

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Solution

The fourth proportional to 228,806.73, 343,214.64 and 161,061.69 is: 241,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,806.73 : 343,214.64 = 161,061.69 : x
  2. Step 2: Convert to fraction form
    228,806.73/343,214.64 = 161,061.69/x
  3. Step 3: Cross multiply
    228,806.73x = 343,214.64 × 161,061.69
  4. Step 4: Simplify right side
    228,806.73x = 55,278,729,951.14
  5. Step 5: Solve for x
    x = 55,278,729,951.14/228,806.73
  6. Step 6: Final answer
    x = 241,595.73

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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.