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Finding the Fourth Proportional to 303,888.96, 419,364.48 and 167,932.08

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Solution

The fourth proportional to 303,888.96, 419,364.48 and 167,932.08 is: 231,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,888.96 : 419,364.48 = 167,932.08 : x
  2. Step 2: Convert to fraction form
    303,888.96/419,364.48 = 167,932.08/x
  3. Step 3: Cross multiply
    303,888.96x = 419,364.48 × 167,932.08
  4. Step 4: Simplify right side
    303,888.96x = 70,424,749,404.52
  5. Step 5: Solve for x
    x = 70,424,749,404.52/303,888.96
  6. Step 6: Final answer
    x = 231,745.01

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Why These Related Problems?

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