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Finding the Fourth Proportional to 106,425.54, 146,860.83 and 61,093.62

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Solution

The fourth proportional to 106,425.54, 146,860.83 and 61,093.62 is: 84,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,425.54 : 146,860.83 = 61,093.62 : x
  2. Step 2: Convert to fraction form
    106,425.54/146,860.83 = 61,093.62/x
  3. Step 3: Cross multiply
    106,425.54x = 146,860.83 × 61,093.62
  4. Step 4: Simplify right side
    106,425.54x = 8,972,259,740.90
  5. Step 5: Solve for x
    x = 8,972,259,740.90/106,425.54
  6. Step 6: Final answer
    x = 84,305.51

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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.