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Finding the Fourth Proportional to 181,954.65, 251,115.89 and 101,395.29

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Solution

The fourth proportional to 181,954.65, 251,115.89 and 101,395.29 is: 139,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,954.65 : 251,115.89 = 101,395.29 : x
  2. Step 2: Convert to fraction form
    181,954.65/251,115.89 = 101,395.29/x
  3. Step 3: Cross multiply
    181,954.65x = 251,115.89 × 101,395.29
  4. Step 4: Simplify right side
    181,954.65x = 25,461,968,490.16
  5. Step 5: Solve for x
    x = 25,461,968,490.16/181,954.65
  6. Step 6: Final answer
    x = 139,935.79

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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.