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Finding the Fourth Proportional to 136,963.38, 188,911.39 and 96,136.65

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Solution

The fourth proportional to 136,963.38, 188,911.39 and 96,136.65 is: 132,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,963.38 : 188,911.39 = 96,136.65 : x
  2. Step 2: Convert to fraction form
    136,963.38/188,911.39 = 96,136.65/x
  3. Step 3: Cross multiply
    136,963.38x = 188,911.39 × 96,136.65
  4. Step 4: Simplify right side
    136,963.38x = 18,161,307,590.04
  5. Step 5: Solve for x
    x = 18,161,307,590.04/136,963.38
  6. Step 6: Final answer
    x = 132,599.73

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1.5x scale

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.