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Finding the Fourth Proportional to 164,872.91, 227,529.78 and 93,251.54

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Solution

The fourth proportional to 164,872.91, 227,529.78 and 93,251.54 is: 128,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,872.91 : 227,529.78 = 93,251.54 : x
  2. Step 2: Convert to fraction form
    164,872.91/227,529.78 = 93,251.54/x
  3. Step 3: Cross multiply
    164,872.91x = 227,529.78 × 93,251.54
  4. Step 4: Simplify right side
    164,872.91x = 21,217,502,380.86
  5. Step 5: Solve for x
    x = 21,217,502,380.86/164,872.91
  6. Step 6: Final answer
    x = 128,690.05

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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.