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Finding the Fourth Proportional to 222,429.70, 333,644.55 and 127,951.30

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Solution

The fourth proportional to 222,429.70, 333,644.55 and 127,951.30 is: 191,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,429.70 : 333,644.55 = 127,951.30 : x
  2. Step 2: Convert to fraction form
    222,429.70/333,644.55 = 127,951.30/x
  3. Step 3: Cross multiply
    222,429.70x = 333,644.55 × 127,951.30
  4. Step 4: Simplify right side
    222,429.70x = 42,690,253,910.42
  5. Step 5: Solve for x
    x = 42,690,253,910.42/222,429.70
  6. Step 6: Final answer
    x = 191,926.95

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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.