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Finding the Fourth Proportional to 111,080.40, 166,615.92 and 32,192.88

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Solution

The fourth proportional to 111,080.40, 166,615.92 and 32,192.88 is: 48,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,080.40 : 166,615.92 = 32,192.88 : x
  2. Step 2: Convert to fraction form
    111,080.40/166,615.92 = 32,192.88/x
  3. Step 3: Cross multiply
    111,080.40x = 166,615.92 × 32,192.88
  4. Step 4: Simplify right side
    111,080.40x = 5,363,846,318.65
  5. Step 5: Solve for x
    x = 5,363,846,318.65/111,080.40
  6. Step 6: Final answer
    x = 48,287.96

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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.