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Finding the Fourth Proportional to 241,589.86, 362,431.48 and 91,818.47

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Solution

The fourth proportional to 241,589.86, 362,431.48 and 91,818.47 is: 137,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,589.86 : 362,431.48 = 91,818.47 : x
  2. Step 2: Convert to fraction form
    241,589.86/362,431.48 = 91,818.47/x
  3. Step 3: Cross multiply
    241,589.86x = 362,431.48 × 91,818.47
  4. Step 4: Simplify right side
    241,589.86x = 33,277,904,863.23
  5. Step 5: Solve for x
    x = 33,277,904,863.23/241,589.86
  6. Step 6: Final answer
    x = 137,745.45

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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.