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Finding the Fourth Proportional to 66,759.90, 100,174.36 and 29,346.24

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Solution

The fourth proportional to 66,759.90, 100,174.36 and 29,346.24 is: 44,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,759.90 : 100,174.36 = 29,346.24 : x
  2. Step 2: Convert to fraction form
    66,759.90/100,174.36 = 29,346.24/x
  3. Step 3: Cross multiply
    66,759.90x = 100,174.36 × 29,346.24
  4. Step 4: Simplify right side
    66,759.90x = 2,939,740,810.41
  5. Step 5: Solve for x
    x = 2,939,740,810.41/66,759.90
  6. Step 6: Final answer
    x = 44,034.53

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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.