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Finding the Fourth Proportional to 154,244.67, 230,949.59 and 100,803.48

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Solution

The fourth proportional to 154,244.67, 230,949.59 and 100,803.48 is: 150,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,244.67 : 230,949.59 = 100,803.48 : x
  2. Step 2: Convert to fraction form
    154,244.67/230,949.59 = 100,803.48/x
  3. Step 3: Cross multiply
    154,244.67x = 230,949.59 × 100,803.48
  4. Step 4: Simplify right side
    154,244.67x = 23,280,521,872.56
  5. Step 5: Solve for x
    x = 23,280,521,872.56/154,244.67
  6. Step 6: Final answer
    x = 150,932.42

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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.