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Finding the Fourth Proportional to 115,550, 173,325 and 27,998

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Solution

The fourth proportional to 115,550, 173,325 and 27,998 is: 41,997

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,550 : 173,325 = 27,998 : x
  2. Step 2: Convert to fraction form
    115,550/173,325 = 27,998/x
  3. Step 3: Cross multiply
    115,550x = 173,325 × 27,998
  4. Step 4: Simplify right side
    115,550x = 4,852,753,350
  5. Step 5: Solve for x
    x = 4,852,753,350/115,550
  6. Step 6: Final answer
    x = 41,997

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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.