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Finding the Fourth Proportional to 73,494.87, 109,910.19 and 56,625.81

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Solution

The fourth proportional to 73,494.87, 109,910.19 and 56,625.81 is: 84,682.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,494.87 : 109,910.19 = 56,625.81 : x
  2. Step 2: Convert to fraction form
    73,494.87/109,910.19 = 56,625.81/x
  3. Step 3: Cross multiply
    73,494.87x = 109,910.19 × 56,625.81
  4. Step 4: Simplify right side
    73,494.87x = 6,223,753,536.00
  5. Step 5: Solve for x
    x = 6,223,753,536.00/73,494.87
  6. Step 6: Final answer
    x = 84,682.83

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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.