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Finding the Fourth Proportional to 164,919.92, 227,472.16 and 151,351.78

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Solution

The fourth proportional to 164,919.92, 227,472.16 and 151,351.78 is: 208,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,919.92 : 227,472.16 = 151,351.78 : x
  2. Step 2: Convert to fraction form
    164,919.92/227,472.16 = 151,351.78/x
  3. Step 3: Cross multiply
    164,919.92x = 227,472.16 × 151,351.78
  4. Step 4: Simplify right side
    164,919.92x = 34,428,316,316.44
  5. Step 5: Solve for x
    x = 34,428,316,316.44/164,919.92
  6. Step 6: Final answer
    x = 208,757.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.