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Finding the Fourth Proportional to 192,099.56, 288,250.86 and 136,300.28

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Solution

The fourth proportional to 192,099.56, 288,250.86 and 136,300.28 is: 204,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,099.56 : 288,250.86 = 136,300.28 : x
  2. Step 2: Convert to fraction form
    192,099.56/288,250.86 = 136,300.28/x
  3. Step 3: Cross multiply
    192,099.56x = 288,250.86 × 136,300.28
  4. Step 4: Simplify right side
    192,099.56x = 39,288,672,928.24
  5. Step 5: Solve for x
    x = 39,288,672,928.24/192,099.56
  6. Step 6: Final answer
    x = 204,522.45

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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.