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Finding the Fourth Proportional to 111,247.58, 167,344.91 and 100,843.07

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Solution

The fourth proportional to 111,247.58, 167,344.91 and 100,843.07 is: 151,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,247.58 : 167,344.91 = 100,843.07 : x
  2. Step 2: Convert to fraction form
    111,247.58/167,344.91 = 100,843.07/x
  3. Step 3: Cross multiply
    111,247.58x = 167,344.91 × 100,843.07
  4. Step 4: Simplify right side
    111,247.58x = 16,875,574,473.27
  5. Step 5: Solve for x
    x = 16,875,574,473.27/111,247.58
  6. Step 6: Final answer
    x = 151,693.86

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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.