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Finding the Fourth Proportional to 267,194.34, 368,550.78 and 171,821.70

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Solution

The fourth proportional to 267,194.34, 368,550.78 and 171,821.70 is: 236,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,194.34 : 368,550.78 = 171,821.70 : x
  2. Step 2: Convert to fraction form
    267,194.34/368,550.78 = 171,821.70/x
  3. Step 3: Cross multiply
    267,194.34x = 368,550.78 × 171,821.70
  4. Step 4: Simplify right side
    267,194.34x = 63,325,021,555.93
  5. Step 5: Solve for x
    x = 63,325,021,555.93/267,194.34
  6. Step 6: Final answer
    x = 236,999.86

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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.