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Finding the Fourth Proportional to 111,306.30, 166,975.65 and 36,408.30

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Solution

The fourth proportional to 111,306.30, 166,975.65 and 36,408.30 is: 54,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,306.30 : 166,975.65 = 36,408.30 : x
  2. Step 2: Convert to fraction form
    111,306.30/166,975.65 = 36,408.30/x
  3. Step 3: Cross multiply
    111,306.30x = 166,975.65 × 36,408.30
  4. Step 4: Simplify right side
    111,306.30x = 6,079,299,557.90
  5. Step 5: Solve for x
    x = 6,079,299,557.90/111,306.30
  6. Step 6: Final answer
    x = 54,617.75

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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.