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Finding the Fourth Proportional to 96,806.72, 133,604.32 and 54,378.88

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Solution

The fourth proportional to 96,806.72, 133,604.32 and 54,378.88 is: 75,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,806.72 : 133,604.32 = 54,378.88 : x
  2. Step 2: Convert to fraction form
    96,806.72/133,604.32 = 54,378.88/x
  3. Step 3: Cross multiply
    96,806.72x = 133,604.32 × 54,378.88
  4. Step 4: Simplify right side
    96,806.72x = 7,265,253,284.76
  5. Step 5: Solve for x
    x = 7,265,253,284.76/96,806.72
  6. Step 6: Final answer
    x = 75,049.06

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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.