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Finding the Fourth Proportional to 222,141.88, 333,008.40 and 120,791.87

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Solution

The fourth proportional to 222,141.88, 333,008.40 and 120,791.87 is: 181,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,141.88 : 333,008.40 = 120,791.87 : x
  2. Step 2: Convert to fraction form
    222,141.88/333,008.40 = 120,791.87/x
  3. Step 3: Cross multiply
    222,141.88x = 333,008.40 × 120,791.87
  4. Step 4: Simplify right side
    222,141.88x = 40,224,705,782.38
  5. Step 5: Solve for x
    x = 40,224,705,782.38/222,141.88
  6. Step 6: Final answer
    x = 181,076.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.