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Finding the Fourth Proportional to 210,589.62, 315,837.86 and 60,797.34

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Solution

The fourth proportional to 210,589.62, 315,837.86 and 60,797.34 is: 91,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,589.62 : 315,837.86 = 60,797.34 : x
  2. Step 2: Convert to fraction form
    210,589.62/315,837.86 = 60,797.34/x
  3. Step 3: Cross multiply
    210,589.62x = 315,837.86 × 60,797.34
  4. Step 4: Simplify right side
    210,589.62x = 19,202,101,455.31
  5. Step 5: Solve for x
    x = 19,202,101,455.31/210,589.62
  6. Step 6: Final answer
    x = 91,182.56

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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.