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Finding the Fourth Proportional to 96,361.80, 132,975.94 and 53,343.16

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Solution

The fourth proportional to 96,361.80, 132,975.94 and 53,343.16 is: 73,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,361.80 : 132,975.94 = 53,343.16 : x
  2. Step 2: Convert to fraction form
    96,361.80/132,975.94 = 53,343.16/x
  3. Step 3: Cross multiply
    96,361.80x = 132,975.94 × 53,343.16
  4. Step 4: Simplify right side
    96,361.80x = 7,093,356,843.57
  5. Step 5: Solve for x
    x = 7,093,356,843.57/96,361.80
  6. Step 6: Final answer
    x = 73,611.71

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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.