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Finding the Fourth Proportional to 192,173.56, 288,256.38 and 64,099.12

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Solution

The fourth proportional to 192,173.56, 288,256.38 and 64,099.12 is: 96,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,173.56 : 288,256.38 = 64,099.12 : x
  2. Step 2: Convert to fraction form
    192,173.56/288,256.38 = 64,099.12/x
  3. Step 3: Cross multiply
    192,173.56x = 288,256.38 × 64,099.12
  4. Step 4: Simplify right side
    192,173.56x = 18,476,980,292.39
  5. Step 5: Solve for x
    x = 18,476,980,292.39/192,173.56
  6. Step 6: Final answer
    x = 96,147.36

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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.