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Finding the Fourth Proportional to 207,422.37, 311,126.27 and 65,263.73

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Solution

The fourth proportional to 207,422.37, 311,126.27 and 65,263.73 is: 97,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,422.37 : 311,126.27 = 65,263.73 : x
  2. Step 2: Convert to fraction form
    207,422.37/311,126.27 = 65,263.73/x
  3. Step 3: Cross multiply
    207,422.37x = 311,126.27 × 65,263.73
  4. Step 4: Simplify right side
    207,422.37x = 20,305,258,999.24
  5. Step 5: Solve for x
    x = 20,305,258,999.24/207,422.37
  6. Step 6: Final answer
    x = 97,893.29

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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.