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Finding the Fourth Proportional to 241,436.89, 362,218.11 and 91,678.02

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Solution

The fourth proportional to 241,436.89, 362,218.11 and 91,678.02 is: 137,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,436.89 : 362,218.11 = 91,678.02 : x
  2. Step 2: Convert to fraction form
    241,436.89/362,218.11 = 91,678.02/x
  3. Step 3: Cross multiply
    241,436.89x = 362,218.11 × 91,678.02
  4. Step 4: Simplify right side
    241,436.89x = 33,207,439,132.94
  5. Step 5: Solve for x
    x = 33,207,439,132.94/241,436.89
  6. Step 6: Final answer
    x = 137,540.87

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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.