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Finding the Fourth Proportional to 131,566.62, 197,362.35 and 36,796.77

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Solution

The fourth proportional to 131,566.62, 197,362.35 and 36,796.77 is: 55,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,566.62 : 197,362.35 = 36,796.77 : x
  2. Step 2: Convert to fraction form
    131,566.62/197,362.35 = 36,796.77/x
  3. Step 3: Cross multiply
    131,566.62x = 197,362.35 × 36,796.77
  4. Step 4: Simplify right side
    131,566.62x = 7,262,296,999.61
  5. Step 5: Solve for x
    x = 7,262,296,999.61/131,566.62
  6. Step 6: Final answer
    x = 55,198.63

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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.