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Finding the Fourth Proportional to 148,679.19, 222,702.87 and 100,676.97

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Solution

The fourth proportional to 148,679.19, 222,702.87 and 100,676.97 is: 150,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,679.19 : 222,702.87 = 100,676.97 : x
  2. Step 2: Convert to fraction form
    148,679.19/222,702.87 = 100,676.97/x
  3. Step 3: Cross multiply
    148,679.19x = 222,702.87 × 100,676.97
  4. Step 4: Simplify right side
    148,679.19x = 22,421,050,161.90
  5. Step 5: Solve for x
    x = 22,421,050,161.90/148,679.19
  6. Step 6: Final answer
    x = 150,801.54

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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.