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Finding the Fourth Proportional to 179,361.89, 247,530.64 and 98,789.39

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Solution

The fourth proportional to 179,361.89, 247,530.64 and 98,789.39 is: 136,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,361.89 : 247,530.64 = 98,789.39 : x
  2. Step 2: Convert to fraction form
    179,361.89/247,530.64 = 98,789.39/x
  3. Step 3: Cross multiply
    179,361.89x = 247,530.64 × 98,789.39
  4. Step 4: Simplify right side
    179,361.89x = 24,453,399,447.28
  5. Step 5: Solve for x
    x = 24,453,399,447.28/179,361.89
  6. Step 6: Final answer
    x = 136,335.53

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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.