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Finding the Fourth Proportional to 203,199.88, 304,858.14 and 132,992.32

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Solution

The fourth proportional to 203,199.88, 304,858.14 and 132,992.32 is: 199,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,199.88 : 304,858.14 = 132,992.32 : x
  2. Step 2: Convert to fraction form
    203,199.88/304,858.14 = 132,992.32/x
  3. Step 3: Cross multiply
    203,199.88x = 304,858.14 × 132,992.32
  4. Step 4: Simplify right side
    203,199.88x = 40,543,791,309.48
  5. Step 5: Solve for x
    x = 40,543,791,309.48/203,199.88
  6. Step 6: Final answer
    x = 199,526.65

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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.