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Finding the Fourth Proportional to 216,863.37, 325,334.61 and 67,093.47

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Solution

The fourth proportional to 216,863.37, 325,334.61 and 67,093.47 is: 100,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,863.37 : 325,334.61 = 67,093.47 : x
  2. Step 2: Convert to fraction form
    216,863.37/325,334.61 = 67,093.47/x
  3. Step 3: Cross multiply
    216,863.37x = 325,334.61 × 67,093.47
  4. Step 4: Simplify right side
    216,863.37x = 21,827,827,896.00
  5. Step 5: Solve for x
    x = 21,827,827,896.00/216,863.37
  6. Step 6: Final answer
    x = 100,652.44

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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.