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Finding the Fourth Proportional to 131,996.40, 197,994.60 and 37,226.40

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Solution

The fourth proportional to 131,996.40, 197,994.60 and 37,226.40 is: 55,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,996.40 : 197,994.60 = 37,226.40 : x
  2. Step 2: Convert to fraction form
    131,996.40/197,994.60 = 37,226.40/x
  3. Step 3: Cross multiply
    131,996.40x = 197,994.60 × 37,226.40
  4. Step 4: Simplify right side
    131,996.40x = 7,370,626,177.44
  5. Step 5: Solve for x
    x = 7,370,626,177.44/131,996.40
  6. Step 6: Final answer
    x = 55,839.60

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1.5x scale

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.