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Finding the Fourth Proportional to 197,956.60, 297,000.06 and 131,657.56

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Solution

The fourth proportional to 197,956.60, 297,000.06 and 131,657.56 is: 197,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,956.60 : 297,000.06 = 131,657.56 : x
  2. Step 2: Convert to fraction form
    197,956.60/297,000.06 = 131,657.56/x
  3. Step 3: Cross multiply
    197,956.60x = 297,000.06 × 131,657.56
  4. Step 4: Simplify right side
    197,956.60x = 39,102,303,219.45
  5. Step 5: Solve for x
    x = 39,102,303,219.45/197,956.60
  6. Step 6: Final answer
    x = 197,529.68

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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.