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Finding the Fourth Proportional to 236,761.96, 355,050.81 and 76,799.22

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Solution

The fourth proportional to 236,761.96, 355,050.81 and 76,799.22 is: 115,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,761.96 : 355,050.81 = 76,799.22 : x
  2. Step 2: Convert to fraction form
    236,761.96/355,050.81 = 76,799.22/x
  3. Step 3: Cross multiply
    236,761.96x = 355,050.81 × 76,799.22
  4. Step 4: Simplify right side
    236,761.96x = 27,267,625,268.37
  5. Step 5: Solve for x
    x = 27,267,625,268.37/236,761.96
  6. Step 6: Final answer
    x = 115,168.95

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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.