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Finding the Fourth Proportional to 199,076.56, 298,580.28 and 67,748.56

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Solution

The fourth proportional to 199,076.56, 298,580.28 and 67,748.56 is: 101,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,076.56 : 298,580.28 = 67,748.56 : x
  2. Step 2: Convert to fraction form
    199,076.56/298,580.28 = 67,748.56/x
  3. Step 3: Cross multiply
    199,076.56x = 298,580.28 × 67,748.56
  4. Step 4: Simplify right side
    199,076.56x = 20,228,384,014.40
  5. Step 5: Solve for x
    x = 20,228,384,014.40/199,076.56
  6. Step 6: Final answer
    x = 101,611.08

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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.