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Finding the Fourth Proportional to 111,080.20, 166,490.70 and 44,487.40

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Solution

The fourth proportional to 111,080.20, 166,490.70 and 44,487.40 is: 66,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,080.20 : 166,490.70 = 44,487.40 : x
  2. Step 2: Convert to fraction form
    111,080.20/166,490.70 = 44,487.40/x
  3. Step 3: Cross multiply
    111,080.20x = 166,490.70 × 44,487.40
  4. Step 4: Simplify right side
    111,080.20x = 7,406,738,367.18
  5. Step 5: Solve for x
    x = 7,406,738,367.18/111,080.20
  6. Step 6: Final answer
    x = 66,679.20

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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.