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Finding the Fourth Proportional to 203,601.72, 305,422.02 and 63,322.68

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Solution

The fourth proportional to 203,601.72, 305,422.02 and 63,322.68 is: 94,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,601.72 : 305,422.02 = 63,322.68 : x
  2. Step 2: Convert to fraction form
    203,601.72/305,422.02 = 63,322.68/x
  3. Step 3: Cross multiply
    203,601.72x = 305,422.02 × 63,322.68
  4. Step 4: Simplify right side
    203,601.72x = 19,340,140,837.41
  5. Step 5: Solve for x
    x = 19,340,140,837.41/203,601.72
  6. Step 6: Final answer
    x = 94,990.07

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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.