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Finding the Fourth Proportional to 113,840.74, 170,736.66 and 33,859.45

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Solution

The fourth proportional to 113,840.74, 170,736.66 and 33,859.45 is: 50,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,840.74 : 170,736.66 = 33,859.45 : x
  2. Step 2: Convert to fraction form
    113,840.74/170,736.66 = 33,859.45/x
  3. Step 3: Cross multiply
    113,840.74x = 170,736.66 × 33,859.45
  4. Step 4: Simplify right side
    113,840.74x = 5,781,049,402.44
  5. Step 5: Solve for x
    x = 5,781,049,402.44/113,840.74
  6. Step 6: Final answer
    x = 50,781.90

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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.