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Finding the Fourth Proportional to 238,874.57, 358,324.41 and 61,382.78

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Solution

The fourth proportional to 238,874.57, 358,324.41 and 61,382.78 is: 92,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,874.57 : 358,324.41 = 61,382.78 : x
  2. Step 2: Convert to fraction form
    238,874.57/358,324.41 = 61,382.78/x
  3. Step 3: Cross multiply
    238,874.57x = 358,324.41 × 61,382.78
  4. Step 4: Simplify right side
    238,874.57x = 21,994,948,427.66
  5. Step 5: Solve for x
    x = 21,994,948,427.66/238,874.57
  6. Step 6: Final answer
    x = 92,077.40

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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.