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Finding the Fourth Proportional to 136,551.49, 204,838.17 and 104,576.65

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Solution

The fourth proportional to 136,551.49, 204,838.17 and 104,576.65 is: 156,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,551.49 : 204,838.17 = 104,576.65 : x
  2. Step 2: Convert to fraction form
    136,551.49/204,838.17 = 104,576.65/x
  3. Step 3: Cross multiply
    136,551.49x = 204,838.17 × 104,576.65
  4. Step 4: Simplify right side
    136,551.49x = 21,421,289,610.73
  5. Step 5: Solve for x
    x = 21,421,289,610.73/136,551.49
  6. Step 6: Final answer
    x = 156,873.35

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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.