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Finding the Fourth Proportional to 168,716.76, 232,800.37 and 100,761

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Solution

The fourth proportional to 168,716.76, 232,800.37 and 100,761 is: 139,033.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,716.76 : 232,800.37 = 100,761 : x
  2. Step 2: Convert to fraction form
    168,716.76/232,800.37 = 100,761/x
  3. Step 3: Cross multiply
    168,716.76x = 232,800.37 × 100,761
  4. Step 4: Simplify right side
    168,716.76x = 23,457,198,081.57
  5. Step 5: Solve for x
    x = 23,457,198,081.57/168,716.76
  6. Step 6: Final answer
    x = 139,033.00

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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.