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Finding the Fourth Proportional to 182,271.87, 251,505 and 121,745.43

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Solution

The fourth proportional to 182,271.87, 251,505 and 121,745.43 is: 167,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,271.87 : 251,505 = 121,745.43 : x
  2. Step 2: Convert to fraction form
    182,271.87/251,505 = 121,745.43/x
  3. Step 3: Cross multiply
    182,271.87x = 251,505 × 121,745.43
  4. Step 4: Simplify right side
    182,271.87x = 30,619,584,372.15
  5. Step 5: Solve for x
    x = 30,619,584,372.15/182,271.87
  6. Step 6: Final answer
    x = 167,988.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.