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Finding the Fourth Proportional to 125,455.33, 188,164.83 and 41,218.82

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Solution

The fourth proportional to 125,455.33, 188,164.83 and 41,218.82 is: 61,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,455.33 : 188,164.83 = 41,218.82 : x
  2. Step 2: Convert to fraction form
    125,455.33/188,164.83 = 41,218.82/x
  3. Step 3: Cross multiply
    125,455.33x = 188,164.83 × 41,218.82
  4. Step 4: Simplify right side
    125,455.33x = 7,755,932,258.10
  5. Step 5: Solve for x
    x = 7,755,932,258.10/125,455.33
  6. Step 6: Final answer
    x = 61,822.26

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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.