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Finding the Fourth Proportional to 151,673.98, 227,510.97 and 51,819.20

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Solution

The fourth proportional to 151,673.98, 227,510.97 and 51,819.20 is: 77,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,673.98 : 227,510.97 = 51,819.20 : x
  2. Step 2: Convert to fraction form
    151,673.98/227,510.97 = 51,819.20/x
  3. Step 3: Cross multiply
    151,673.98x = 227,510.97 × 51,819.20
  4. Step 4: Simplify right side
    151,673.98x = 11,789,436,197.53
  5. Step 5: Solve for x
    x = 11,789,436,197.53/151,673.98
  6. Step 6: Final answer
    x = 77,728.80

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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.