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Finding the Fourth Proportional to 222,568.40, 333,593.40 and 89,382.80

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Solution

The fourth proportional to 222,568.40, 333,593.40 and 89,382.80 is: 133,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,568.40 : 333,593.40 = 89,382.80 : x
  2. Step 2: Convert to fraction form
    222,568.40/333,593.40 = 89,382.80/x
  3. Step 3: Cross multiply
    222,568.40x = 333,593.40 × 89,382.80
  4. Step 4: Simplify right side
    222,568.40x = 29,817,512,153.52
  5. Step 5: Solve for x
    x = 29,817,512,153.52/222,568.40
  6. Step 6: Final answer
    x = 133,970.11

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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.