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Finding the Fourth Proportional to 193,863.37, 290,841.63 and 67,485.01

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Solution

The fourth proportional to 193,863.37, 290,841.63 and 67,485.01 is: 101,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,863.37 : 290,841.63 = 67,485.01 : x
  2. Step 2: Convert to fraction form
    193,863.37/290,841.63 = 67,485.01/x
  3. Step 3: Cross multiply
    193,863.37x = 290,841.63 × 67,485.01
  4. Step 4: Simplify right side
    193,863.37x = 19,627,450,308.97
  5. Step 5: Solve for x
    x = 19,627,450,308.97/193,863.37
  6. Step 6: Final answer
    x = 101,243.73

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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.