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Finding the Fourth Proportional to 224,038.16, 309,169.82 and 122,067.87

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Solution

The fourth proportional to 224,038.16, 309,169.82 and 122,067.87 is: 168,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,038.16 : 309,169.82 = 122,067.87 : x
  2. Step 2: Convert to fraction form
    224,038.16/309,169.82 = 122,067.87/x
  3. Step 3: Cross multiply
    224,038.16x = 309,169.82 × 122,067.87
  4. Step 4: Simplify right side
    224,038.16x = 37,739,701,700.85
  5. Step 5: Solve for x
    x = 37,739,701,700.85/224,038.16
  6. Step 6: Final answer
    x = 168,452.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.