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Finding the Fourth Proportional to 181,552.72, 250,505.64 and 106,086.64

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Solution

The fourth proportional to 181,552.72, 250,505.64 and 106,086.64 is: 146,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,552.72 : 250,505.64 = 106,086.64 : x
  2. Step 2: Convert to fraction form
    181,552.72/250,505.64 = 106,086.64/x
  3. Step 3: Cross multiply
    181,552.72x = 250,505.64 × 106,086.64
  4. Step 4: Simplify right side
    181,552.72x = 26,575,301,648.65
  5. Step 5: Solve for x
    x = 26,575,301,648.65/181,552.72
  6. Step 6: Final answer
    x = 146,377.88

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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.