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Finding the Fourth Proportional to 193,992.96, 291,037.90 and 154,162.56

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Solution

The fourth proportional to 193,992.96, 291,037.90 and 154,162.56 is: 231,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,992.96 : 291,037.90 = 154,162.56 : x
  2. Step 2: Convert to fraction form
    193,992.96/291,037.90 = 154,162.56/x
  3. Step 3: Cross multiply
    193,992.96x = 291,037.90 × 154,162.56
  4. Step 4: Simplify right side
    193,992.96x = 44,867,147,721.02
  5. Step 5: Solve for x
    x = 44,867,147,721.02/193,992.96
  6. Step 6: Final answer
    x = 231,282.35

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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.