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Finding the Fourth Proportional to 111,300.71, 166,961.37 and 40,241.12

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Solution

The fourth proportional to 111,300.71, 166,961.37 and 40,241.12 is: 60,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,300.71 : 166,961.37 = 40,241.12 : x
  2. Step 2: Convert to fraction form
    111,300.71/166,961.37 = 40,241.12/x
  3. Step 3: Cross multiply
    111,300.71x = 166,961.37 × 40,241.12
  4. Step 4: Simplify right side
    111,300.71x = 6,718,711,690.73
  5. Step 5: Solve for x
    x = 6,718,711,690.73/111,300.71
  6. Step 6: Final answer
    x = 60,365.40

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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.