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Finding the Fourth Proportional to 173,120.70, 259,695.94 and 60,791.28

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Solution

The fourth proportional to 173,120.70, 259,695.94 and 60,791.28 is: 91,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,120.70 : 259,695.94 = 60,791.28 : x
  2. Step 2: Convert to fraction form
    173,120.70/259,695.94 = 60,791.28/x
  3. Step 3: Cross multiply
    173,120.70x = 259,695.94 × 60,791.28
  4. Step 4: Simplify right side
    173,120.70x = 15,787,248,603.40
  5. Step 5: Solve for x
    x = 15,787,248,603.40/173,120.70
  6. Step 6: Final answer
    x = 91,192.15

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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.