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Finding the Fourth Proportional to 111,691.25, 167,549.13 and 48,467.92

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Solution

The fourth proportional to 111,691.25, 167,549.13 and 48,467.92 is: 72,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,691.25 : 167,549.13 = 48,467.92 : x
  2. Step 2: Convert to fraction form
    111,691.25/167,549.13 = 48,467.92/x
  3. Step 3: Cross multiply
    111,691.25x = 167,549.13 × 48,467.92
  4. Step 4: Simplify right side
    111,691.25x = 8,120,757,410.04
  5. Step 5: Solve for x
    x = 8,120,757,410.04/111,691.25
  6. Step 6: Final answer
    x = 72,707.19

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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.