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Finding the Fourth Proportional to 96,975, 133,810.92 and 54,532.62

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Solution

The fourth proportional to 96,975, 133,810.92 and 54,532.62 is: 75,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,975 : 133,810.92 = 54,532.62 : x
  2. Step 2: Convert to fraction form
    96,975/133,810.92 = 54,532.62/x
  3. Step 3: Cross multiply
    96,975x = 133,810.92 × 54,532.62
  4. Step 4: Simplify right side
    96,975x = 7,297,060,052.21
  5. Step 5: Solve for x
    x = 7,297,060,052.21/96,975
  6. Step 6: Final answer
    x = 75,246.82

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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.