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Finding the Fourth Proportional to 131,493.60, 197,240.40 and 36,723.60

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Solution

The fourth proportional to 131,493.60, 197,240.40 and 36,723.60 is: 55,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,493.60 : 197,240.40 = 36,723.60 : x
  2. Step 2: Convert to fraction form
    131,493.60/197,240.40 = 36,723.60/x
  3. Step 3: Cross multiply
    131,493.60x = 197,240.40 × 36,723.60
  4. Step 4: Simplify right side
    131,493.60x = 7,243,377,553.44
  5. Step 5: Solve for x
    x = 7,243,377,553.44/131,493.60
  6. Step 6: Final answer
    x = 55,085.40

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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.