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Finding the Fourth Proportional to 111,311.70, 166,967.55 and 110,655.60

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Solution

The fourth proportional to 111,311.70, 166,967.55 and 110,655.60 is: 165,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,311.70 : 166,967.55 = 110,655.60 : x
  2. Step 2: Convert to fraction form
    111,311.70/166,967.55 = 110,655.60/x
  3. Step 3: Cross multiply
    111,311.70x = 166,967.55 × 110,655.60
  4. Step 4: Simplify right side
    111,311.70x = 18,475,894,425.78
  5. Step 5: Solve for x
    x = 18,475,894,425.78/111,311.70
  6. Step 6: Final answer
    x = 165,983.40

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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.