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Finding the Fourth Proportional to 181,660.80, 250,652.16 and 106,174.72

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Solution

The fourth proportional to 181,660.80, 250,652.16 and 106,174.72 is: 146,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,660.80 : 250,652.16 = 106,174.72 : x
  2. Step 2: Convert to fraction form
    181,660.80/250,652.16 = 106,174.72/x
  3. Step 3: Cross multiply
    181,660.80x = 250,652.16 × 106,174.72
  4. Step 4: Simplify right side
    181,660.80x = 26,612,922,905.40
  5. Step 5: Solve for x
    x = 26,612,922,905.40/181,660.80
  6. Step 6: Final answer
    x = 146,497.88

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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.