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Finding the Fourth Proportional to 197,867, 273,073.74 and 108,460.28

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Solution

The fourth proportional to 197,867, 273,073.74 and 108,460.28 is: 149,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,867 : 273,073.74 = 108,460.28 : x
  2. Step 2: Convert to fraction form
    197,867/273,073.74 = 108,460.28/x
  3. Step 3: Cross multiply
    197,867x = 273,073.74 × 108,460.28
  4. Step 4: Simplify right side
    197,867x = 29,617,654,301.05
  5. Step 5: Solve for x
    x = 29,617,654,301.05/197,867
  6. Step 6: Final answer
    x = 149,684.66

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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.