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Finding the Fourth Proportional to 236,799.82, 355,194.70 and 76,875.51

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Solution

The fourth proportional to 236,799.82, 355,194.70 and 76,875.51 is: 115,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,799.82 : 355,194.70 = 76,875.51 : x
  2. Step 2: Convert to fraction form
    236,799.82/355,194.70 = 76,875.51/x
  3. Step 3: Cross multiply
    236,799.82x = 355,194.70 × 76,875.51
  4. Step 4: Simplify right side
    236,799.82x = 27,305,773,711.80
  5. Step 5: Solve for x
    x = 27,305,773,711.80/236,799.82
  6. Step 6: Final answer
    x = 115,311.63

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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.