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Finding the Fourth Proportional to 188,144.53, 259,639.53 and 107,573.65

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Solution

The fourth proportional to 188,144.53, 259,639.53 and 107,573.65 is: 148,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,144.53 : 259,639.53 = 107,573.65 : x
  2. Step 2: Convert to fraction form
    188,144.53/259,639.53 = 107,573.65/x
  3. Step 3: Cross multiply
    188,144.53x = 259,639.53 × 107,573.65
  4. Step 4: Simplify right side
    188,144.53x = 27,930,371,926.38
  5. Step 5: Solve for x
    x = 27,930,371,926.38/188,144.53
  6. Step 6: Final answer
    x = 148,451.68

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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.