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Finding the Fourth Proportional to 150,607.78, 225,767.67 and 55,812.58

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Solution

The fourth proportional to 150,607.78, 225,767.67 and 55,812.58 is: 83,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,607.78 : 225,767.67 = 55,812.58 : x
  2. Step 2: Convert to fraction form
    150,607.78/225,767.67 = 55,812.58/x
  3. Step 3: Cross multiply
    150,607.78x = 225,767.67 × 55,812.58
  4. Step 4: Simplify right side
    150,607.78x = 12,600,676,143.29
  5. Step 5: Solve for x
    x = 12,600,676,143.29/150,607.78
  6. Step 6: Final answer
    x = 83,665.51

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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.