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Finding the Fourth Proportional to 222,862.20, 333,978.96 and 123,067.32

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Solution

The fourth proportional to 222,862.20, 333,978.96 and 123,067.32 is: 184,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,862.20 : 333,978.96 = 123,067.32 : x
  2. Step 2: Convert to fraction form
    222,862.20/333,978.96 = 123,067.32/x
  3. Step 3: Cross multiply
    222,862.20x = 333,978.96 × 123,067.32
  4. Step 4: Simplify right side
    222,862.20x = 41,101,895,543.59
  5. Step 5: Solve for x
    x = 41,101,895,543.59/222,862.20
  6. Step 6: Final answer
    x = 184,427.40

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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.