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Finding the Fourth Proportional to 114,327.40, 171,491.10 and 107,912.20

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Solution

The fourth proportional to 114,327.40, 171,491.10 and 107,912.20 is: 161,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,327.40 : 171,491.10 = 107,912.20 : x
  2. Step 2: Convert to fraction form
    114,327.40/171,491.10 = 107,912.20/x
  3. Step 3: Cross multiply
    114,327.40x = 171,491.10 × 107,912.20
  4. Step 4: Simplify right side
    114,327.40x = 18,505,981,881.42
  5. Step 5: Solve for x
    x = 18,505,981,881.42/114,327.40
  6. Step 6: Final answer
    x = 161,868.30

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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.