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Finding the Fourth Proportional to 243,556.20, 336,211.20 and 148,093.56

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Solution

The fourth proportional to 243,556.20, 336,211.20 and 148,093.56 is: 204,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,556.20 : 336,211.20 = 148,093.56 : x
  2. Step 2: Convert to fraction form
    243,556.20/336,211.20 = 148,093.56/x
  3. Step 3: Cross multiply
    243,556.20x = 336,211.20 × 148,093.56
  4. Step 4: Simplify right side
    243,556.20x = 49,790,713,519.87
  5. Step 5: Solve for x
    x = 49,790,713,519.87/243,556.20
  6. Step 6: Final answer
    x = 204,432.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.