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Finding the Fourth Proportional to 96,737.76, 133,548.21 and 75,179.34

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Solution

The fourth proportional to 96,737.76, 133,548.21 and 75,179.34 is: 103,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,737.76 : 133,548.21 = 75,179.34 : x
  2. Step 2: Convert to fraction form
    96,737.76/133,548.21 = 75,179.34/x
  3. Step 3: Cross multiply
    96,737.76x = 133,548.21 × 75,179.34
  4. Step 4: Simplify right side
    96,737.76x = 10,040,066,285.98
  5. Step 5: Solve for x
    x = 10,040,066,285.98/96,737.76
  6. Step 6: Final answer
    x = 103,786.43

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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.