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Finding the Fourth Proportional to 165,352.75, 248,029.13 and 40,693.75

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Solution

The fourth proportional to 165,352.75, 248,029.13 and 40,693.75 is: 61,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,352.75 : 248,029.13 = 40,693.75 : x
  2. Step 2: Convert to fraction form
    165,352.75/248,029.13 = 40,693.75/x
  3. Step 3: Cross multiply
    165,352.75x = 248,029.13 × 40,693.75
  4. Step 4: Simplify right side
    165,352.75x = 10,093,235,408.94
  5. Step 5: Solve for x
    x = 10,093,235,408.94/165,352.75
  6. Step 6: Final answer
    x = 61,040.63

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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.