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Finding the Fourth Proportional to 228,608.39, 342,787.29 and 70,793.03

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Solution

The fourth proportional to 228,608.39, 342,787.29 and 70,793.03 is: 106,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,608.39 : 342,787.29 = 70,793.03 : x
  2. Step 2: Convert to fraction form
    228,608.39/342,787.29 = 70,793.03/x
  3. Step 3: Cross multiply
    228,608.39x = 342,787.29 × 70,793.03
  4. Step 4: Simplify right side
    228,608.39x = 24,266,949,190.65
  5. Step 5: Solve for x
    x = 24,266,949,190.65/228,608.39
  6. Step 6: Final answer
    x = 106,150.74

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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.