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Finding the Fourth Proportional to 154,301.20, 231,106.20 and 150,845.20

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Solution

The fourth proportional to 154,301.20, 231,106.20 and 150,845.20 is: 225,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,301.20 : 231,106.20 = 150,845.20 : x
  2. Step 2: Convert to fraction form
    154,301.20/231,106.20 = 150,845.20/x
  3. Step 3: Cross multiply
    154,301.20x = 231,106.20 × 150,845.20
  4. Step 4: Simplify right side
    154,301.20x = 34,861,260,960.24
  5. Step 5: Solve for x
    x = 34,861,260,960.24/154,301.20
  6. Step 6: Final answer
    x = 225,929.94

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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.