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Finding the Fourth Proportional to 193,297.30, 267,005.78 and 161,136.97

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Solution

The fourth proportional to 193,297.30, 267,005.78 and 161,136.97 is: 222,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,297.30 : 267,005.78 = 161,136.97 : x
  2. Step 2: Convert to fraction form
    193,297.30/267,005.78 = 161,136.97/x
  3. Step 3: Cross multiply
    193,297.30x = 267,005.78 × 161,136.97
  4. Step 4: Simplify right side
    193,297.30x = 43,024,502,361.69
  5. Step 5: Solve for x
    x = 43,024,502,361.69/193,297.30
  6. Step 6: Final answer
    x = 222,582.01

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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.