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Finding the Fourth Proportional to 181,902.60, 251,033.16 and 101,330.11

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Solution

The fourth proportional to 181,902.60, 251,033.16 and 101,330.11 is: 139,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,902.60 : 251,033.16 = 101,330.11 : x
  2. Step 2: Convert to fraction form
    181,902.60/251,033.16 = 101,330.11/x
  3. Step 3: Cross multiply
    181,902.60x = 251,033.16 × 101,330.11
  4. Step 4: Simplify right side
    181,902.60x = 25,437,215,954.63
  5. Step 5: Solve for x
    x = 25,437,215,954.63/181,902.60
  6. Step 6: Final answer
    x = 139,839.76

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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.