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Finding the Fourth Proportional to 101,764.60, 152,679.24 and 45,652.96

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Solution

The fourth proportional to 101,764.60, 152,679.24 and 45,652.96 is: 68,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,764.60 : 152,679.24 = 45,652.96 : x
  2. Step 2: Convert to fraction form
    101,764.60/152,679.24 = 45,652.96/x
  3. Step 3: Cross multiply
    101,764.60x = 152,679.24 × 45,652.96
  4. Step 4: Simplify right side
    101,764.60x = 6,970,259,236.55
  5. Step 5: Solve for x
    x = 6,970,259,236.55/101,764.60
  6. Step 6: Final answer
    x = 68,493.95

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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.