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Finding the Fourth Proportional to 112,361.92, 155,046.24 and 62,057.92

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Solution

The fourth proportional to 112,361.92, 155,046.24 and 62,057.92 is: 85,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,361.92 : 155,046.24 = 62,057.92 : x
  2. Step 2: Convert to fraction form
    112,361.92/155,046.24 = 62,057.92/x
  3. Step 3: Cross multiply
    112,361.92x = 155,046.24 × 62,057.92
  4. Step 4: Simplify right side
    112,361.92x = 9,621,847,158.22
  5. Step 5: Solve for x
    x = 9,621,847,158.22/112,361.92
  6. Step 6: Final answer
    x = 85,632.63

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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.