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Finding the Fourth Proportional to 193,822.20, 290,150.10 and 170,494.20

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Solution

The fourth proportional to 193,822.20, 290,150.10 and 170,494.20 is: 255,228.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,822.20 : 290,150.10 = 170,494.20 : x
  2. Step 2: Convert to fraction form
    193,822.20/290,150.10 = 170,494.20/x
  3. Step 3: Cross multiply
    193,822.20x = 290,150.10 × 170,494.20
  4. Step 4: Simplify right side
    193,822.20x = 49,468,909,179.42
  5. Step 5: Solve for x
    x = 49,468,909,179.42/193,822.20
  6. Step 6: Final answer
    x = 255,228.29

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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.