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Finding the Fourth Proportional to 132,361.84, 182,480.48 and 89,846.56

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Solution

The fourth proportional to 132,361.84, 182,480.48 and 89,846.56 is: 123,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,361.84 : 182,480.48 = 89,846.56 : x
  2. Step 2: Convert to fraction form
    132,361.84/182,480.48 = 89,846.56/x
  3. Step 3: Cross multiply
    132,361.84x = 182,480.48 × 89,846.56
  4. Step 4: Simplify right side
    132,361.84x = 16,395,242,945.92
  5. Step 5: Solve for x
    x = 16,395,242,945.92/132,361.84
  6. Step 6: Final answer
    x = 123,866.84

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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.