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Finding the Fourth Proportional to 360,158.82, 540,164.39 and 132,375.93

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Solution

The fourth proportional to 360,158.82, 540,164.39 and 132,375.93 is: 198,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,158.82 : 540,164.39 = 132,375.93 : x
  2. Step 2: Convert to fraction form
    360,158.82/540,164.39 = 132,375.93/x
  3. Step 3: Cross multiply
    360,158.82x = 540,164.39 × 132,375.93
  4. Step 4: Simplify right side
    360,158.82x = 71,504,763,313.66
  5. Step 5: Solve for x
    x = 71,504,763,313.66/360,158.82
  6. Step 6: Final answer
    x = 198,536.76

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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.