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Finding the Fourth Proportional to 66,759.14, 100,173.23 and 29,345.48

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Solution

The fourth proportional to 66,759.14, 100,173.23 and 29,345.48 is: 44,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,759.14 : 100,173.23 = 29,345.48 : x
  2. Step 2: Convert to fraction form
    66,759.14/100,173.23 = 29,345.48/x
  3. Step 3: Cross multiply
    66,759.14x = 100,173.23 × 29,345.48
  4. Step 4: Simplify right side
    66,759.14x = 2,939,631,517.50
  5. Step 5: Solve for x
    x = 2,939,631,517.50/66,759.14
  6. Step 6: Final answer
    x = 44,033.39

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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.