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Finding the Fourth Proportional to 111,513.20, 167,221.20 and 44,931.20

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Solution

The fourth proportional to 111,513.20, 167,221.20 and 44,931.20 is: 67,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,513.20 : 167,221.20 = 44,931.20 : x
  2. Step 2: Convert to fraction form
    111,513.20/167,221.20 = 44,931.20/x
  3. Step 3: Cross multiply
    111,513.20x = 167,221.20 × 44,931.20
  4. Step 4: Simplify right side
    111,513.20x = 7,513,449,181.44
  5. Step 5: Solve for x
    x = 7,513,449,181.44/111,513.20
  6. Step 6: Final answer
    x = 67,377.22

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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.