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Finding the Fourth Proportional to 193,092.87, 289,262.22 and 91,746.69

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Solution

The fourth proportional to 193,092.87, 289,262.22 and 91,746.69 is: 137,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,092.87 : 289,262.22 = 91,746.69 : x
  2. Step 2: Convert to fraction form
    193,092.87/289,262.22 = 91,746.69/x
  3. Step 3: Cross multiply
    193,092.87x = 289,262.22 × 91,746.69
  4. Step 4: Simplify right side
    193,092.87x = 26,538,851,227.05
  5. Step 5: Solve for x
    x = 26,538,851,227.05/193,092.87
  6. Step 6: Final answer
    x = 137,440.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.