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Finding the Fourth Proportional to 227,889.78, 341,817.66 and 89,260.71

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Solution

The fourth proportional to 227,889.78, 341,817.66 and 89,260.71 is: 133,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,889.78 : 341,817.66 = 89,260.71 : x
  2. Step 2: Convert to fraction form
    227,889.78/341,817.66 = 89,260.71/x
  3. Step 3: Cross multiply
    227,889.78x = 341,817.66 × 89,260.71
  4. Step 4: Simplify right side
    227,889.78x = 30,510,887,022.14
  5. Step 5: Solve for x
    x = 30,510,887,022.14/227,889.78
  6. Step 6: Final answer
    x = 133,884.40

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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.