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Finding the Fourth Proportional to 222,889.68, 333,946.08 and 185,688.78

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Solution

The fourth proportional to 222,889.68, 333,946.08 and 185,688.78 is: 278,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,889.68 : 333,946.08 = 185,688.78 : x
  2. Step 2: Convert to fraction form
    222,889.68/333,946.08 = 185,688.78/x
  3. Step 3: Cross multiply
    222,889.68x = 333,946.08 × 185,688.78
  4. Step 4: Simplify right side
    222,889.68x = 62,010,040,180.98
  5. Step 5: Solve for x
    x = 62,010,040,180.98/222,889.68
  6. Step 6: Final answer
    x = 278,209.56

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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.