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Finding the Fourth Proportional to 262,753.84, 394,152.48 and 112,997.68

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Solution

The fourth proportional to 262,753.84, 394,152.48 and 112,997.68 is: 169,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,753.84 : 394,152.48 = 112,997.68 : x
  2. Step 2: Convert to fraction form
    262,753.84/394,152.48 = 112,997.68/x
  3. Step 3: Cross multiply
    262,753.84x = 394,152.48 × 112,997.68
  4. Step 4: Simplify right side
    262,753.84x = 44,538,315,806.25
  5. Step 5: Solve for x
    x = 44,538,315,806.25/262,753.84
  6. Step 6: Final answer
    x = 169,505.86

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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.