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Finding the Fourth Proportional to 148,028.80, 222,098.94 and 88,905.68

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Solution

The fourth proportional to 148,028.80, 222,098.94 and 88,905.68 is: 133,392.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,028.80 : 222,098.94 = 88,905.68 : x
  2. Step 2: Convert to fraction form
    148,028.80/222,098.94 = 88,905.68/x
  3. Step 3: Cross multiply
    148,028.80x = 222,098.94 × 88,905.68
  4. Step 4: Simplify right side
    148,028.80x = 19,745,857,287.98
  5. Step 5: Solve for x
    x = 19,745,857,287.98/148,028.80
  6. Step 6: Final answer
    x = 133,392.00

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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.