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Finding the Fourth Proportional to 67,785.53, 101,694.29 and 23,412.65

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Solution

The fourth proportional to 67,785.53, 101,694.29 and 23,412.65 is: 35,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,785.53 : 101,694.29 = 23,412.65 : x
  2. Step 2: Convert to fraction form
    67,785.53/101,694.29 = 23,412.65/x
  3. Step 3: Cross multiply
    67,785.53x = 101,694.29 × 23,412.65
  4. Step 4: Simplify right side
    67,785.53x = 2,380,932,193.23
  5. Step 5: Solve for x
    x = 2,380,932,193.23/67,785.53
  6. Step 6: Final answer
    x = 35,124.49

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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.