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Finding the Fourth Proportional to 67,855.52, 101,622.36 and 53,770.26

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Solution

The fourth proportional to 67,855.52, 101,622.36 and 53,770.26 is: 80,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,855.52 : 101,622.36 = 53,770.26 : x
  2. Step 2: Convert to fraction form
    67,855.52/101,622.36 = 53,770.26/x
  3. Step 3: Cross multiply
    67,855.52x = 101,622.36 × 53,770.26
  4. Step 4: Simplify right side
    67,855.52x = 5,464,260,719.01
  5. Step 5: Solve for x
    x = 5,464,260,719.01/67,855.52
  6. Step 6: Final answer
    x = 80,527.87

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1.5x scale

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.