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Finding the Fourth Proportional to 111,049.60, 166,574.40 and 64,422.40

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Solution

The fourth proportional to 111,049.60, 166,574.40 and 64,422.40 is: 96,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,049.60 : 166,574.40 = 64,422.40 : x
  2. Step 2: Convert to fraction form
    111,049.60/166,574.40 = 64,422.40/x
  3. Step 3: Cross multiply
    111,049.60x = 166,574.40 × 64,422.40
  4. Step 4: Simplify right side
    111,049.60x = 10,731,122,626.56
  5. Step 5: Solve for x
    x = 10,731,122,626.56/111,049.60
  6. Step 6: Final answer
    x = 96,633.60

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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.