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Finding the Fourth Proportional to 248,843.10, 373,264.65 and 82,631.10

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Solution

The fourth proportional to 248,843.10, 373,264.65 and 82,631.10 is: 123,946.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,843.10 : 373,264.65 = 82,631.10 : x
  2. Step 2: Convert to fraction form
    248,843.10/373,264.65 = 82,631.10/x
  3. Step 3: Cross multiply
    248,843.10x = 373,264.65 × 82,631.10
  4. Step 4: Simplify right side
    248,843.10x = 30,843,268,620.62
  5. Step 5: Solve for x
    x = 30,843,268,620.62/248,843.10
  6. Step 6: Final answer
    x = 123,946.65

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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.