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Finding the Fourth Proportional to 224,355.65, 336,252.84 and 112,067.21

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Solution

The fourth proportional to 224,355.65, 336,252.84 and 112,067.21 is: 167,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,355.65 : 336,252.84 = 112,067.21 : x
  2. Step 2: Convert to fraction form
    224,355.65/336,252.84 = 112,067.21/x
  3. Step 3: Cross multiply
    224,355.65x = 336,252.84 × 112,067.21
  4. Step 4: Simplify right side
    224,355.65x = 37,682,917,633.38
  5. Step 5: Solve for x
    x = 37,682,917,633.38/224,355.65
  6. Step 6: Final answer
    x = 167,960.64

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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.