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Finding the Fourth Proportional to 96,363.94, 132,987.81 and 53,922.10

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Solution

The fourth proportional to 96,363.94, 132,987.81 and 53,922.10 is: 74,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,363.94 : 132,987.81 = 53,922.10 : x
  2. Step 2: Convert to fraction form
    96,363.94/132,987.81 = 53,922.10/x
  3. Step 3: Cross multiply
    96,363.94x = 132,987.81 × 53,922.10
  4. Step 4: Simplify right side
    96,363.94x = 7,170,981,989.60
  5. Step 5: Solve for x
    x = 7,170,981,989.60/96,363.94
  6. Step 6: Final answer
    x = 74,415.62

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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.