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Finding the Fourth Proportional to 75,393.83, 113,620.24 and 67,906.77

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Solution

The fourth proportional to 75,393.83, 113,620.24 and 67,906.77 is: 102,337.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,393.83 : 113,620.24 = 67,906.77 : x
  2. Step 2: Convert to fraction form
    75,393.83/113,620.24 = 67,906.77/x
  3. Step 3: Cross multiply
    75,393.83x = 113,620.24 × 67,906.77
  4. Step 4: Simplify right side
    75,393.83x = 7,715,583,165.49
  5. Step 5: Solve for x
    x = 7,715,583,165.49/75,393.83
  6. Step 6: Final answer
    x = 102,337.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.