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Finding the Fourth Proportional to 101,674.38, 152,440.41 and 73,229.70

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Solution

The fourth proportional to 101,674.38, 152,440.41 and 73,229.70 is: 109,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,674.38 : 152,440.41 = 73,229.70 : x
  2. Step 2: Convert to fraction form
    101,674.38/152,440.41 = 73,229.70/x
  3. Step 3: Cross multiply
    101,674.38x = 152,440.41 × 73,229.70
  4. Step 4: Simplify right side
    101,674.38x = 11,163,165,492.18
  5. Step 5: Solve for x
    x = 11,163,165,492.18/101,674.38
  6. Step 6: Final answer
    x = 109,793.30

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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.