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Finding the Fourth Proportional to 262,164.50, 361,755.21 and 145,850.46

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Solution

The fourth proportional to 262,164.50, 361,755.21 and 145,850.46 is: 201,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,164.50 : 361,755.21 = 145,850.46 : x
  2. Step 2: Convert to fraction form
    262,164.50/361,755.21 = 145,850.46/x
  3. Step 3: Cross multiply
    262,164.50x = 361,755.21 × 145,850.46
  4. Step 4: Simplify right side
    262,164.50x = 52,762,162,976.25
  5. Step 5: Solve for x
    x = 52,762,162,976.25/262,164.50
  6. Step 6: Final answer
    x = 201,255.94

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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.