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Finding the Fourth Proportional to 181,954.40, 251,115.72 and 101,395.04

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Solution

The fourth proportional to 181,954.40, 251,115.72 and 101,395.04 is: 139,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,954.40 : 251,115.72 = 101,395.04 : x
  2. Step 2: Convert to fraction form
    181,954.40/251,115.72 = 101,395.04/x
  3. Step 3: Cross multiply
    181,954.40x = 251,115.72 × 101,395.04
  4. Step 4: Simplify right side
    181,954.40x = 25,461,888,474.03
  5. Step 5: Solve for x
    x = 25,461,888,474.03/181,954.40
  6. Step 6: Final answer
    x = 139,935.55

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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.