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Finding the Fourth Proportional to 101,834.46, 140,525.20 and 61,524.40

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Solution

The fourth proportional to 101,834.46, 140,525.20 and 61,524.40 is: 84,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,834.46 : 140,525.20 = 61,524.40 : x
  2. Step 2: Convert to fraction form
    101,834.46/140,525.20 = 61,524.40/x
  3. Step 3: Cross multiply
    101,834.46x = 140,525.20 × 61,524.40
  4. Step 4: Simplify right side
    101,834.46x = 8,645,728,614.88
  5. Step 5: Solve for x
    x = 8,645,728,614.88/101,834.46
  6. Step 6: Final answer
    x = 84,899.83

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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.