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Finding the Fourth Proportional to 222,099.78, 333,154.53 and 89,042.70

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Solution

The fourth proportional to 222,099.78, 333,154.53 and 89,042.70 is: 133,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,099.78 : 333,154.53 = 89,042.70 : x
  2. Step 2: Convert to fraction form
    222,099.78/333,154.53 = 89,042.70/x
  3. Step 3: Cross multiply
    222,099.78x = 333,154.53 × 89,042.70
  4. Step 4: Simplify right side
    222,099.78x = 29,664,978,868.43
  5. Step 5: Solve for x
    x = 29,664,978,868.43/222,099.78
  6. Step 6: Final answer
    x = 133,566.00

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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.