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Finding the Fourth Proportional to 66,757.14, 100,170.23 and 29,343.48

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Solution

The fourth proportional to 66,757.14, 100,170.23 and 29,343.48 is: 44,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,757.14 : 100,170.23 = 29,343.48 : x
  2. Step 2: Convert to fraction form
    66,757.14/100,170.23 = 29,343.48/x
  3. Step 3: Cross multiply
    66,757.14x = 100,170.23 × 29,343.48
  4. Step 4: Simplify right side
    66,757.14x = 2,939,343,140.60
  5. Step 5: Solve for x
    x = 2,939,343,140.60/66,757.14
  6. Step 6: Final answer
    x = 44,030.39

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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.