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Finding the Fourth Proportional to 136,212.84, 204,267.42 and 62,289

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Solution

The fourth proportional to 136,212.84, 204,267.42 and 62,289 is: 93,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,212.84 : 204,267.42 = 62,289 : x
  2. Step 2: Convert to fraction form
    136,212.84/204,267.42 = 62,289/x
  3. Step 3: Cross multiply
    136,212.84x = 204,267.42 × 62,289
  4. Step 4: Simplify right side
    136,212.84x = 12,723,613,324.38
  5. Step 5: Solve for x
    x = 12,723,613,324.38/136,212.84
  6. Step 6: Final answer
    x = 93,409.79

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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.