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Finding the Fourth Proportional to 73,700.52, 101,706.60 and 40,166.52

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Solution

The fourth proportional to 73,700.52, 101,706.60 and 40,166.52 is: 55,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,700.52 : 101,706.60 = 40,166.52 : x
  2. Step 2: Convert to fraction form
    73,700.52/101,706.60 = 40,166.52/x
  3. Step 3: Cross multiply
    73,700.52x = 101,706.60 × 40,166.52
  4. Step 4: Simplify right side
    73,700.52x = 4,085,200,183.03
  5. Step 5: Solve for x
    x = 4,085,200,183.03/73,700.52
  6. Step 6: Final answer
    x = 55,429.73

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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.