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Finding the Fourth Proportional to 281,574.38, 422,317.51 and 92,033.30

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Solution

The fourth proportional to 281,574.38, 422,317.51 and 92,033.30 is: 138,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,574.38 : 422,317.51 = 92,033.30 : x
  2. Step 2: Convert to fraction form
    281,574.38/422,317.51 = 92,033.30/x
  3. Step 3: Cross multiply
    281,574.38x = 422,317.51 × 92,033.30
  4. Step 4: Simplify right side
    281,574.38x = 38,867,274,093.08
  5. Step 5: Solve for x
    x = 38,867,274,093.08/281,574.38
  6. Step 6: Final answer
    x = 138,035.55

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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.