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Finding the Fourth Proportional to 74,144.88, 111,203.88 and 29,769.84

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Solution

The fourth proportional to 74,144.88, 111,203.88 and 29,769.84 is: 44,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,144.88 : 111,203.88 = 29,769.84 : x
  2. Step 2: Convert to fraction form
    74,144.88/111,203.88 = 29,769.84/x
  3. Step 3: Cross multiply
    74,144.88x = 111,203.88 × 29,769.84
  4. Step 4: Simplify right side
    74,144.88x = 3,310,521,714.98
  5. Step 5: Solve for x
    x = 3,310,521,714.98/74,144.88
  6. Step 6: Final answer
    x = 44,649.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.