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Finding the Fourth Proportional to 131,321.56, 195,733.12 and 123,847.48

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Solution

The fourth proportional to 131,321.56, 195,733.12 and 123,847.48 is: 184,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,321.56 : 195,733.12 = 123,847.48 : x
  2. Step 2: Convert to fraction form
    131,321.56/195,733.12 = 123,847.48/x
  3. Step 3: Cross multiply
    131,321.56x = 195,733.12 × 123,847.48
  4. Step 4: Simplify right side
    131,321.56x = 24,241,053,664.54
  5. Step 5: Solve for x
    x = 24,241,053,664.54/131,321.56
  6. Step 6: Final answer
    x = 184,593.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.