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Finding the Fourth Proportional to 224,414.11, 336,330.32 and 91,139.54

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Solution

The fourth proportional to 224,414.11, 336,330.32 and 91,139.54 is: 136,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,414.11 : 336,330.32 = 91,139.54 : x
  2. Step 2: Convert to fraction form
    224,414.11/336,330.32 = 91,139.54/x
  3. Step 3: Cross multiply
    224,414.11x = 336,330.32 × 91,139.54
  4. Step 4: Simplify right side
    224,414.11x = 30,652,991,550.64
  5. Step 5: Solve for x
    x = 30,652,991,550.64/224,414.11
  6. Step 6: Final answer
    x = 136,591.20

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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.