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Finding the Fourth Proportional to 74,118.25, 111,188.90 and 24,881.77

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Solution

The fourth proportional to 74,118.25, 111,188.90 and 24,881.77 is: 37,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,118.25 : 111,188.90 = 24,881.77 : x
  2. Step 2: Convert to fraction form
    74,118.25/111,188.90 = 24,881.77/x
  3. Step 3: Cross multiply
    74,118.25x = 111,188.90 × 24,881.77
  4. Step 4: Simplify right side
    74,118.25x = 2,766,576,511.94
  5. Step 5: Solve for x
    x = 2,766,576,511.94/74,118.25
  6. Step 6: Final answer
    x = 37,326.52

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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.