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Finding the Fourth Proportional to 154,499.20, 231,748.80 and 151,874.80

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Solution

The fourth proportional to 154,499.20, 231,748.80 and 151,874.80 is: 227,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,499.20 : 231,748.80 = 151,874.80 : x
  2. Step 2: Convert to fraction form
    154,499.20/231,748.80 = 151,874.80/x
  3. Step 3: Cross multiply
    154,499.20x = 231,748.80 × 151,874.80
  4. Step 4: Simplify right side
    154,499.20x = 35,196,802,650.24
  5. Step 5: Solve for x
    x = 35,196,802,650.24/154,499.20
  6. Step 6: Final answer
    x = 227,812.20

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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.