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Finding the Fourth Proportional to 67,037.20, 100,584.60 and 34,205.20

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Solution

The fourth proportional to 67,037.20, 100,584.60 and 34,205.20 is: 51,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,037.20 : 100,584.60 = 34,205.20 : x
  2. Step 2: Convert to fraction form
    67,037.20/100,584.60 = 34,205.20/x
  3. Step 3: Cross multiply
    67,037.20x = 100,584.60 × 34,205.20
  4. Step 4: Simplify right side
    67,037.20x = 3,440,516,359.92
  5. Step 5: Solve for x
    x = 3,440,516,359.92/67,037.20
  6. Step 6: Final answer
    x = 51,322.49

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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.