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Finding the Fourth Proportional to 164,609.64, 246,727.80 and 75,679.56

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Solution

The fourth proportional to 164,609.64, 246,727.80 and 75,679.56 is: 113,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,609.64 : 246,727.80 = 75,679.56 : x
  2. Step 2: Convert to fraction form
    164,609.64/246,727.80 = 75,679.56/x
  3. Step 3: Cross multiply
    164,609.64x = 246,727.80 × 75,679.56
  4. Step 4: Simplify right side
    164,609.64x = 18,672,251,343.77
  5. Step 5: Solve for x
    x = 18,672,251,343.77/164,609.64
  6. Step 6: Final answer
    x = 113,433.52

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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.