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Finding the Fourth Proportional to 171,268.01, 256,944.84 and 64,651.76

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Solution

The fourth proportional to 171,268.01, 256,944.84 and 64,651.76 is: 96,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,268.01 : 256,944.84 = 64,651.76 : x
  2. Step 2: Convert to fraction form
    171,268.01/256,944.84 = 64,651.76/x
  3. Step 3: Cross multiply
    171,268.01x = 256,944.84 × 64,651.76
  4. Step 4: Simplify right side
    171,268.01x = 16,611,936,128.92
  5. Step 5: Solve for x
    x = 16,611,936,128.92/171,268.01
  6. Step 6: Final answer
    x = 96,993.81

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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.