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Finding the Fourth Proportional to 222,153.20, 333,132.60 and 88,989.20

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Solution

The fourth proportional to 222,153.20, 333,132.60 and 88,989.20 is: 133,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,153.20 : 333,132.60 = 88,989.20 : x
  2. Step 2: Convert to fraction form
    222,153.20/333,132.60 = 88,989.20/x
  3. Step 3: Cross multiply
    222,153.20x = 333,132.60 × 88,989.20
  4. Step 4: Simplify right side
    222,153.20x = 29,645,203,567.92
  5. Step 5: Solve for x
    x = 29,645,203,567.92/222,153.20
  6. Step 6: Final answer
    x = 133,444.86

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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.