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Finding the Fourth Proportional to 111,657.80, 167,616.30 and 67,334.60

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Solution

The fourth proportional to 111,657.80, 167,616.30 and 67,334.60 is: 101,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,657.80 : 167,616.30 = 67,334.60 : x
  2. Step 2: Convert to fraction form
    111,657.80/167,616.30 = 67,334.60/x
  3. Step 3: Cross multiply
    111,657.80x = 167,616.30 × 67,334.60
  4. Step 4: Simplify right side
    111,657.80x = 11,286,376,513.98
  5. Step 5: Solve for x
    x = 11,286,376,513.98/111,657.80
  6. Step 6: Final answer
    x = 101,080.05

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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.