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Finding the Fourth Proportional to 83,765.88, 125,600.22 and 33,805.08

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Solution

The fourth proportional to 83,765.88, 125,600.22 and 33,805.08 is: 50,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,765.88 : 125,600.22 = 33,805.08 : x
  2. Step 2: Convert to fraction form
    83,765.88/125,600.22 = 33,805.08/x
  3. Step 3: Cross multiply
    83,765.88x = 125,600.22 × 33,805.08
  4. Step 4: Simplify right side
    83,765.88x = 4,245,925,485.12
  5. Step 5: Solve for x
    x = 4,245,925,485.12/83,765.88
  6. Step 6: Final answer
    x = 50,688.01

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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.