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Finding the Fourth Proportional to 222,683.82, 334,069.41 and 82,443.66

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Solution

The fourth proportional to 222,683.82, 334,069.41 and 82,443.66 is: 123,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,683.82 : 334,069.41 = 82,443.66 : x
  2. Step 2: Convert to fraction form
    222,683.82/334,069.41 = 82,443.66/x
  3. Step 3: Cross multiply
    222,683.82x = 334,069.41 × 82,443.66
  4. Step 4: Simplify right side
    222,683.82x = 27,541,904,854.44
  5. Step 5: Solve for x
    x = 27,541,904,854.44/222,683.82
  6. Step 6: Final answer
    x = 123,681.66

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1.5x scale

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.