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Finding the Fourth Proportional to 101,697.92, 140,347.84 and 59,249.60

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Solution

The fourth proportional to 101,697.92, 140,347.84 and 59,249.60 is: 81,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,697.92 : 140,347.84 = 59,249.60 : x
  2. Step 2: Convert to fraction form
    101,697.92/140,347.84 = 59,249.60/x
  3. Step 3: Cross multiply
    101,697.92x = 140,347.84 × 59,249.60
  4. Step 4: Simplify right side
    101,697.92x = 8,315,553,380.86
  5. Step 5: Solve for x
    x = 8,315,553,380.86/101,697.92
  6. Step 6: Final answer
    x = 81,767.19

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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.