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Finding the Fourth Proportional to 96,323.49, 132,936.39 and 55,489.05

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Solution

The fourth proportional to 96,323.49, 132,936.39 and 55,489.05 is: 76,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,323.49 : 132,936.39 = 55,489.05 : x
  2. Step 2: Convert to fraction form
    96,323.49/132,936.39 = 55,489.05/x
  3. Step 3: Cross multiply
    96,323.49x = 132,936.39 × 55,489.05
  4. Step 4: Simplify right side
    96,323.49x = 7,376,513,991.53
  5. Step 5: Solve for x
    x = 7,376,513,991.53/96,323.49
  6. Step 6: Final answer
    x = 76,580.63

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1.5x scale

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.