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Finding the Fourth Proportional to 150,018.92, 206,928.56 and 96,218.72

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Solution

The fourth proportional to 150,018.92, 206,928.56 and 96,218.72 is: 132,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,018.92 : 206,928.56 = 96,218.72 : x
  2. Step 2: Convert to fraction form
    150,018.92/206,928.56 = 96,218.72/x
  3. Step 3: Cross multiply
    150,018.92x = 206,928.56 × 96,218.72
  4. Step 4: Simplify right side
    150,018.92x = 19,910,401,174.64
  5. Step 5: Solve for x
    x = 19,910,401,174.64/150,018.92
  6. Step 6: Final answer
    x = 132,719.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.