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Finding the Fourth Proportional to 222,123.20, 333,087.60 and 88,959.20

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Solution

The fourth proportional to 222,123.20, 333,087.60 and 88,959.20 is: 133,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,123.20 : 333,087.60 = 88,959.20 : x
  2. Step 2: Convert to fraction form
    222,123.20/333,087.60 = 88,959.20/x
  3. Step 3: Cross multiply
    222,123.20x = 333,087.60 × 88,959.20
  4. Step 4: Simplify right side
    222,123.20x = 29,631,206,425.92
  5. Step 5: Solve for x
    x = 29,631,206,425.92/222,123.20
  6. Step 6: Final answer
    x = 133,399.87

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1.5x scale

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.