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Finding the Fourth Proportional to 111,154.96, 166,757.38 and 51,958.34

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Solution

The fourth proportional to 111,154.96, 166,757.38 and 51,958.34 is: 77,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,154.96 : 166,757.38 = 51,958.34 : x
  2. Step 2: Convert to fraction form
    111,154.96/166,757.38 = 51,958.34/x
  3. Step 3: Cross multiply
    111,154.96x = 166,757.38 × 51,958.34
  4. Step 4: Simplify right side
    111,154.96x = 8,664,436,132.47
  5. Step 5: Solve for x
    x = 8,664,436,132.47/111,154.96
  6. Step 6: Final answer
    x = 77,949.16

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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.