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Finding the Fourth Proportional to 94,073.28, 140,893.44 and 54,532.80

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Solution

The fourth proportional to 94,073.28, 140,893.44 and 54,532.80 is: 81,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,073.28 : 140,893.44 = 54,532.80 : x
  2. Step 2: Convert to fraction form
    94,073.28/140,893.44 = 54,532.80/x
  3. Step 3: Cross multiply
    94,073.28x = 140,893.44 × 54,532.80
  4. Step 4: Simplify right side
    94,073.28x = 7,683,313,784.83
  5. Step 5: Solve for x
    x = 7,683,313,784.83/94,073.28
  6. Step 6: Final answer
    x = 81,673.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.