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Finding the Fourth Proportional to 210,589.52, 315,837.84 and 60,797.24

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Solution

The fourth proportional to 210,589.52, 315,837.84 and 60,797.24 is: 91,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,589.52 : 315,837.84 = 60,797.24 : x
  2. Step 2: Convert to fraction form
    210,589.52/315,837.84 = 60,797.24/x
  3. Step 3: Cross multiply
    210,589.52x = 315,837.84 × 60,797.24
  4. Step 4: Simplify right side
    210,589.52x = 19,202,068,959.56
  5. Step 5: Solve for x
    x = 19,202,068,959.56/210,589.52
  6. Step 6: Final answer
    x = 91,182.45

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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.