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Finding the Fourth Proportional to 250,808.38, 376,269.88 and 82,342.96

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Solution

The fourth proportional to 250,808.38, 376,269.88 and 82,342.96 is: 123,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,808.38 : 376,269.88 = 82,342.96 : x
  2. Step 2: Convert to fraction form
    250,808.38/376,269.88 = 82,342.96/x
  3. Step 3: Cross multiply
    250,808.38x = 376,269.88 × 82,342.96
  4. Step 4: Simplify right side
    250,808.38x = 30,983,175,678.04
  5. Step 5: Solve for x
    x = 30,983,175,678.04/250,808.38
  6. Step 6: Final answer
    x = 123,533.26

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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.