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Finding the Fourth Proportional to 222,126.80, 333,190.20 and 89,027.60

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Solution

The fourth proportional to 222,126.80, 333,190.20 and 89,027.60 is: 133,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,126.80 : 333,190.20 = 89,027.60 : x
  2. Step 2: Convert to fraction form
    222,126.80/333,190.20 = 89,027.60/x
  3. Step 3: Cross multiply
    222,126.80x = 333,190.20 × 89,027.60
  4. Step 4: Simplify right side
    222,126.80x = 29,663,123,849.52
  5. Step 5: Solve for x
    x = 29,663,123,849.52/222,126.80
  6. Step 6: Final answer
    x = 133,541.40

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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.