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Finding the Fourth Proportional to 173,288.64, 259,932.96 and 73,446.60

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Solution

The fourth proportional to 173,288.64, 259,932.96 and 73,446.60 is: 110,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,288.64 : 259,932.96 = 73,446.60 : x
  2. Step 2: Convert to fraction form
    173,288.64/259,932.96 = 73,446.60/x
  3. Step 3: Cross multiply
    173,288.64x = 259,932.96 × 73,446.60
  4. Step 4: Simplify right side
    173,288.64x = 19,091,192,139.94
  5. Step 5: Solve for x
    x = 19,091,192,139.94/173,288.64
  6. Step 6: Final answer
    x = 110,169.90

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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.