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Finding the Fourth Proportional to 115,505, 173,326.62 and 49,841

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Solution

The fourth proportional to 115,505, 173,326.62 and 49,841 is: 74,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,505 : 173,326.62 = 49,841 : x
  2. Step 2: Convert to fraction form
    115,505/173,326.62 = 49,841/x
  3. Step 3: Cross multiply
    115,505x = 173,326.62 × 49,841
  4. Step 4: Simplify right side
    115,505x = 8,638,772,067.42
  5. Step 5: Solve for x
    x = 8,638,772,067.42/115,505
  6. Step 6: Final answer
    x = 74,791.33

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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.