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Finding the Fourth Proportional to 131,375.92, 197,074.74 and 56,497.84

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Solution

The fourth proportional to 131,375.92, 197,074.74 and 56,497.84 is: 84,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,375.92 : 197,074.74 = 56,497.84 : x
  2. Step 2: Convert to fraction form
    131,375.92/197,074.74 = 56,497.84/x
  3. Step 3: Cross multiply
    131,375.92x = 197,074.74 × 56,497.84
  4. Step 4: Simplify right side
    131,375.92x = 11,134,297,128.56
  5. Step 5: Solve for x
    x = 11,134,297,128.56/131,375.92
  6. Step 6: Final answer
    x = 84,751.43

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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.