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Finding the Fourth Proportional to 222,099.20, 333,051.60 and 88,935.20

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Solution

The fourth proportional to 222,099.20, 333,051.60 and 88,935.20 is: 133,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,099.20 : 333,051.60 = 88,935.20 : x
  2. Step 2: Convert to fraction form
    222,099.20/333,051.60 = 88,935.20/x
  3. Step 3: Cross multiply
    222,099.20x = 333,051.60 × 88,935.20
  4. Step 4: Simplify right side
    222,099.20x = 29,620,010,656.32
  5. Step 5: Solve for x
    x = 29,620,010,656.32/222,099.20
  6. Step 6: Final answer
    x = 133,363.88

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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.