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Finding the Fourth Proportional to 224,244, 336,455.56 and 91,134.68

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Solution

The fourth proportional to 224,244, 336,455.56 and 91,134.68 is: 136,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,244 : 336,455.56 = 91,134.68 : x
  2. Step 2: Convert to fraction form
    224,244/336,455.56 = 91,134.68/x
  3. Step 3: Cross multiply
    224,244x = 336,455.56 × 91,134.68
  4. Step 4: Simplify right side
    224,244x = 30,662,769,794.82
  5. Step 5: Solve for x
    x = 30,662,769,794.82/224,244
  6. Step 6: Final answer
    x = 136,738.42

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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.