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Finding the Fourth Proportional to 195,998.40, 293,997.60 and 126,014.40

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Solution

The fourth proportional to 195,998.40, 293,997.60 and 126,014.40 is: 189,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,998.40 : 293,997.60 = 126,014.40 : x
  2. Step 2: Convert to fraction form
    195,998.40/293,997.60 = 126,014.40/x
  3. Step 3: Cross multiply
    195,998.40x = 293,997.60 × 126,014.40
  4. Step 4: Simplify right side
    195,998.40x = 37,047,931,165.44
  5. Step 5: Solve for x
    x = 37,047,931,165.44/195,998.40
  6. Step 6: Final answer
    x = 189,021.60

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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.