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Finding the Fourth Proportional to 73,311.66, 101,215.90 and 50,380.98

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Solution

The fourth proportional to 73,311.66, 101,215.90 and 50,380.98 is: 69,557.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,311.66 : 101,215.90 = 50,380.98 : x
  2. Step 2: Convert to fraction form
    73,311.66/101,215.90 = 50,380.98/x
  3. Step 3: Cross multiply
    73,311.66x = 101,215.90 × 50,380.98
  4. Step 4: Simplify right side
    73,311.66x = 5,099,356,233.58
  5. Step 5: Solve for x
    x = 5,099,356,233.58/73,311.66
  6. Step 6: Final answer
    x = 69,557.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.