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Finding the Fourth Proportional to 224,620.49, 336,837.79 and 91,410.32

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Solution

The fourth proportional to 224,620.49, 336,837.79 and 91,410.32 is: 137,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,620.49 : 336,837.79 = 91,410.32 : x
  2. Step 2: Convert to fraction form
    224,620.49/336,837.79 = 91,410.32/x
  3. Step 3: Cross multiply
    224,620.49x = 336,837.79 × 91,410.32
  4. Step 4: Simplify right side
    224,620.49x = 30,790,451,128.35
  5. Step 5: Solve for x
    x = 30,790,451,128.35/224,620.49
  6. Step 6: Final answer
    x = 137,077.66

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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.