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Finding the Fourth Proportional to 167,916.40, 251,874.60 and 146,046.40

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Solution

The fourth proportional to 167,916.40, 251,874.60 and 146,046.40 is: 219,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,916.40 : 251,874.60 = 146,046.40 : x
  2. Step 2: Convert to fraction form
    167,916.40/251,874.60 = 146,046.40/x
  3. Step 3: Cross multiply
    167,916.40x = 251,874.60 × 146,046.40
  4. Step 4: Simplify right side
    167,916.40x = 36,785,378,581.44
  5. Step 5: Solve for x
    x = 36,785,378,581.44/167,916.40
  6. Step 6: Final answer
    x = 219,069.60

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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.