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Finding the Fourth Proportional to 125,796.48, 188,654.74 and 41,540.94

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Solution

The fourth proportional to 125,796.48, 188,654.74 and 41,540.94 is: 62,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,796.48 : 188,654.74 = 41,540.94 : x
  2. Step 2: Convert to fraction form
    125,796.48/188,654.74 = 41,540.94/x
  3. Step 3: Cross multiply
    125,796.48x = 188,654.74 × 41,540.94
  4. Step 4: Simplify right side
    125,796.48x = 7,836,895,235.06
  5. Step 5: Solve for x
    x = 7,836,895,235.06/125,796.48
  6. Step 6: Final answer
    x = 62,298.21

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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.