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Finding the Fourth Proportional to 111,683.20, 167,524.80 and 92,656.30

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Solution

The fourth proportional to 111,683.20, 167,524.80 and 92,656.30 is: 138,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,683.20 : 167,524.80 = 92,656.30 : x
  2. Step 2: Convert to fraction form
    111,683.20/167,524.80 = 92,656.30/x
  3. Step 3: Cross multiply
    111,683.20x = 167,524.80 × 92,656.30
  4. Step 4: Simplify right side
    111,683.20x = 15,522,228,126.24
  5. Step 5: Solve for x
    x = 15,522,228,126.24/111,683.20
  6. Step 6: Final answer
    x = 138,984.45

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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.