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Finding the Fourth Proportional to 96,481.62, 133,140.78 and 54,037.98

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Solution

The fourth proportional to 96,481.62, 133,140.78 and 54,037.98 is: 74,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,481.62 : 133,140.78 = 54,037.98 : x
  2. Step 2: Convert to fraction form
    96,481.62/133,140.78 = 54,037.98/x
  3. Step 3: Cross multiply
    96,481.62x = 133,140.78 × 54,037.98
  4. Step 4: Simplify right side
    96,481.62x = 7,194,658,806.82
  5. Step 5: Solve for x
    x = 7,194,658,806.82/96,481.62
  6. Step 6: Final answer
    x = 74,570.25

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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.