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Finding the Fourth Proportional to 111,395.60, 167,093.40 and 106,211.60

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Solution

The fourth proportional to 111,395.60, 167,093.40 and 106,211.60 is: 159,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,395.60 : 167,093.40 = 106,211.60 : x
  2. Step 2: Convert to fraction form
    111,395.60/167,093.40 = 106,211.60/x
  3. Step 3: Cross multiply
    111,395.60x = 167,093.40 × 106,211.60
  4. Step 4: Simplify right side
    111,395.60x = 17,747,257,363.44
  5. Step 5: Solve for x
    x = 17,747,257,363.44/111,395.60
  6. Step 6: Final answer
    x = 159,317.40

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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.