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Finding the Fourth Proportional to 125,003.90, 187,466.92 and 41,878.46

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Solution

The fourth proportional to 125,003.90, 187,466.92 and 41,878.46 is: 62,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,003.90 : 187,466.92 = 41,878.46 : x
  2. Step 2: Convert to fraction form
    125,003.90/187,466.92 = 41,878.46/x
  3. Step 3: Cross multiply
    125,003.90x = 187,466.92 × 41,878.46
  4. Step 4: Simplify right side
    125,003.90x = 7,850,825,910.54
  5. Step 5: Solve for x
    x = 7,850,825,910.54/125,003.90
  6. Step 6: Final answer
    x = 62,804.65

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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.