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Finding the Fourth Proportional to 96,992.75, 133,849.97 and 54,551.25

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Solution

The fourth proportional to 96,992.75, 133,849.97 and 54,551.25 is: 75,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,992.75 : 133,849.97 = 54,551.25 : x
  2. Step 2: Convert to fraction form
    96,992.75/133,849.97 = 54,551.25/x
  3. Step 3: Cross multiply
    96,992.75x = 133,849.97 × 54,551.25
  4. Step 4: Simplify right side
    96,992.75x = 7,301,683,107.77
  5. Step 5: Solve for x
    x = 7,301,683,107.77/96,992.75
  6. Step 6: Final answer
    x = 75,280.71

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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.