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Finding the Fourth Proportional to 210,591.62, 315,840.86 and 60,799.34

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Solution

The fourth proportional to 210,591.62, 315,840.86 and 60,799.34 is: 91,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,591.62 : 315,840.86 = 60,799.34 : x
  2. Step 2: Convert to fraction form
    210,591.62/315,840.86 = 60,799.34/x
  3. Step 3: Cross multiply
    210,591.62x = 315,840.86 × 60,799.34
  4. Step 4: Simplify right side
    210,591.62x = 19,202,915,833.03
  5. Step 5: Solve for x
    x = 19,202,915,833.03/210,591.62
  6. Step 6: Final answer
    x = 91,185.56

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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.