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Finding the Fourth Proportional to 193,366.42, 290,057.41 and 92,112.42

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Solution

The fourth proportional to 193,366.42, 290,057.41 and 92,112.42 is: 138,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,366.42 : 290,057.41 = 92,112.42 : x
  2. Step 2: Convert to fraction form
    193,366.42/290,057.41 = 92,112.42/x
  3. Step 3: Cross multiply
    193,366.42x = 290,057.41 × 92,112.42
  4. Step 4: Simplify right side
    193,366.42x = 26,717,889,513.47
  5. Step 5: Solve for x
    x = 26,717,889,513.47/193,366.42
  6. Step 6: Final answer
    x = 138,172.33

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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.