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Finding the Fourth Proportional to 150,482.77, 207,661.72 and 82,497.42

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Solution

The fourth proportional to 150,482.77, 207,661.72 and 82,497.42 is: 113,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,482.77 : 207,661.72 = 82,497.42 : x
  2. Step 2: Convert to fraction form
    150,482.77/207,661.72 = 82,497.42/x
  3. Step 3: Cross multiply
    150,482.77x = 207,661.72 × 82,497.42
  4. Step 4: Simplify right side
    150,482.77x = 17,131,556,132.76
  5. Step 5: Solve for x
    x = 17,131,556,132.76/150,482.77
  6. Step 6: Final answer
    x = 113,843.97

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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.