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Finding the Fourth Proportional to 156,087.44, 233,934.24 and 67,251.68

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Solution

The fourth proportional to 156,087.44, 233,934.24 and 67,251.68 is: 100,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,087.44 : 233,934.24 = 67,251.68 : x
  2. Step 2: Convert to fraction form
    156,087.44/233,934.24 = 67,251.68/x
  3. Step 3: Cross multiply
    156,087.44x = 233,934.24 × 67,251.68
  4. Step 4: Simplify right side
    156,087.44x = 15,732,470,649.52
  5. Step 5: Solve for x
    x = 15,732,470,649.52/156,087.44
  6. Step 6: Final answer
    x = 100,792.68

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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.