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Finding the Fourth Proportional to 193,846.20, 290,807.70 and 162,895.80

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Solution

The fourth proportional to 193,846.20, 290,807.70 and 162,895.80 is: 244,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,846.20 : 290,807.70 = 162,895.80 : x
  2. Step 2: Convert to fraction form
    193,846.20/290,807.70 = 162,895.80/x
  3. Step 3: Cross multiply
    193,846.20x = 290,807.70 × 162,895.80
  4. Step 4: Simplify right side
    193,846.20x = 47,371,352,937.66
  5. Step 5: Solve for x
    x = 47,371,352,937.66/193,846.20
  6. Step 6: Final answer
    x = 244,375.97

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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.