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Finding the Fourth Proportional to 131,194.95, 196,759.61 and 37,700.70

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Solution

The fourth proportional to 131,194.95, 196,759.61 and 37,700.70 is: 56,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,194.95 : 196,759.61 = 37,700.70 : x
  2. Step 2: Convert to fraction form
    131,194.95/196,759.61 = 37,700.70/x
  3. Step 3: Cross multiply
    131,194.95x = 196,759.61 × 37,700.70
  4. Step 4: Simplify right side
    131,194.95x = 7,417,975,028.73
  5. Step 5: Solve for x
    x = 7,417,975,028.73/131,194.95
  6. Step 6: Final answer
    x = 56,541.62

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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.