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Finding the Fourth Proportional to 111,014.70, 166,522.05 and 99,350.70

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Solution

The fourth proportional to 111,014.70, 166,522.05 and 99,350.70 is: 149,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,014.70 : 166,522.05 = 99,350.70 : x
  2. Step 2: Convert to fraction form
    111,014.70/166,522.05 = 99,350.70/x
  3. Step 3: Cross multiply
    111,014.70x = 166,522.05 × 99,350.70
  4. Step 4: Simplify right side
    111,014.70x = 16,544,082,232.94
  5. Step 5: Solve for x
    x = 16,544,082,232.94/111,014.70
  6. Step 6: Final answer
    x = 149,026.05

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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.