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Finding the Fourth Proportional to 150,640.02, 207,883.08 and 82,657.38

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Solution

The fourth proportional to 150,640.02, 207,883.08 and 82,657.38 is: 114,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,640.02 : 207,883.08 = 82,657.38 : x
  2. Step 2: Convert to fraction form
    150,640.02/207,883.08 = 82,657.38/x
  3. Step 3: Cross multiply
    150,640.02x = 207,883.08 × 82,657.38
  4. Step 4: Simplify right side
    150,640.02x = 17,183,070,739.13
  5. Step 5: Solve for x
    x = 17,183,070,739.13/150,640.02
  6. Step 6: Final answer
    x = 114,067.10

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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.