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Finding the Fourth Proportional to 341,309.82, 511,906.40 and 91,933.50

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Solution

The fourth proportional to 341,309.82, 511,906.40 and 91,933.50 is: 137,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,309.82 : 511,906.40 = 91,933.50 : x
  2. Step 2: Convert to fraction form
    341,309.82/511,906.40 = 91,933.50/x
  3. Step 3: Cross multiply
    341,309.82x = 511,906.40 × 91,933.50
  4. Step 4: Simplify right side
    341,309.82x = 47,061,347,024.40
  5. Step 5: Solve for x
    x = 47,061,347,024.40/341,309.82
  6. Step 6: Final answer
    x = 137,884.54

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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.