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Finding the Fourth Proportional to 197,251.40, 295,536.90 and 91,854.20

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Solution

The fourth proportional to 197,251.40, 295,536.90 and 91,854.20 is: 137,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,251.40 : 295,536.90 = 91,854.20 : x
  2. Step 2: Convert to fraction form
    197,251.40/295,536.90 = 91,854.20/x
  3. Step 3: Cross multiply
    197,251.40x = 295,536.90 × 91,854.20
  4. Step 4: Simplify right side
    197,251.40x = 27,146,305,519.98
  5. Step 5: Solve for x
    x = 27,146,305,519.98/197,251.40
  6. Step 6: Final answer
    x = 137,622.88

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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.