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Finding the Fourth Proportional to 131,698.57, 197,525.59 and 36,906.95

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Solution

The fourth proportional to 131,698.57, 197,525.59 and 36,906.95 is: 55,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,698.57 : 197,525.59 = 36,906.95 : x
  2. Step 2: Convert to fraction form
    131,698.57/197,525.59 = 36,906.95/x
  3. Step 3: Cross multiply
    131,698.57x = 197,525.59 × 36,906.95
  4. Step 4: Simplify right side
    131,698.57x = 7,290,067,908.87
  5. Step 5: Solve for x
    x = 7,290,067,908.87/131,698.57
  6. Step 6: Final answer
    x = 55,354.19

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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.