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Finding the Fourth Proportional to 181,987.74, 251,388 and 165,011.22

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Solution

The fourth proportional to 181,987.74, 251,388 and 165,011.22 is: 227,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,987.74 : 251,388 = 165,011.22 : x
  2. Step 2: Convert to fraction form
    181,987.74/251,388 = 165,011.22/x
  3. Step 3: Cross multiply
    181,987.74x = 251,388 × 165,011.22
  4. Step 4: Simplify right side
    181,987.74x = 41,481,840,573.36
  5. Step 5: Solve for x
    x = 41,481,840,573.36/181,987.74
  6. Step 6: Final answer
    x = 227,937.56

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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.