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Finding the Fourth Proportional to 111,052.53, 166,311.90 and 63,523.53

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Solution

The fourth proportional to 111,052.53, 166,311.90 and 63,523.53 is: 95,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,052.53 : 166,311.90 = 63,523.53 : x
  2. Step 2: Convert to fraction form
    111,052.53/166,311.90 = 63,523.53/x
  3. Step 3: Cross multiply
    111,052.53x = 166,311.90 × 63,523.53
  4. Step 4: Simplify right side
    111,052.53x = 10,564,718,969.01
  5. Step 5: Solve for x
    x = 10,564,718,969.01/111,052.53
  6. Step 6: Final answer
    x = 95,132.63

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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.