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Finding the Fourth Proportional to 111,154.57, 166,734.33 and 40,082.94

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Solution

The fourth proportional to 111,154.57, 166,734.33 and 40,082.94 is: 60,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,154.57 : 166,734.33 = 40,082.94 : x
  2. Step 2: Convert to fraction form
    111,154.57/166,734.33 = 40,082.94/x
  3. Step 3: Cross multiply
    111,154.57x = 166,734.33 × 40,082.94
  4. Step 4: Simplify right side
    111,154.57x = 6,683,202,145.33
  5. Step 5: Solve for x
    x = 6,683,202,145.33/111,154.57
  6. Step 6: Final answer
    x = 60,125.30

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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.