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Finding the Fourth Proportional to 131,959.72, 197,923.99 and 37,197.01

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Solution

The fourth proportional to 131,959.72, 197,923.99 and 37,197.01 is: 55,791.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,959.72 : 197,923.99 = 37,197.01 : x
  2. Step 2: Convert to fraction form
    131,959.72/197,923.99 = 37,197.01/x
  3. Step 3: Cross multiply
    131,959.72x = 197,923.99 × 37,197.01
  4. Step 4: Simplify right side
    131,959.72x = 7,362,180,449.28
  5. Step 5: Solve for x
    x = 7,362,180,449.28/131,959.72
  6. Step 6: Final answer
    x = 55,791.12

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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.