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Finding the Fourth Proportional to 222,142.60, 332,922.30 and 88,913.80

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Solution

The fourth proportional to 222,142.60, 332,922.30 and 88,913.80 is: 133,253.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,142.60 : 332,922.30 = 88,913.80 : x
  2. Step 2: Convert to fraction form
    222,142.60/332,922.30 = 88,913.80/x
  3. Step 3: Cross multiply
    222,142.60x = 332,922.30 × 88,913.80
  4. Step 4: Simplify right side
    222,142.60x = 29,601,386,797.74
  5. Step 5: Solve for x
    x = 29,601,386,797.74/222,142.60
  6. Step 6: Final answer
    x = 133,253.99

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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.