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Finding the Fourth Proportional to 193,595.50, 267,045.96 and 121,850.97

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Solution

The fourth proportional to 193,595.50, 267,045.96 and 121,850.97 is: 168,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,595.50 : 267,045.96 = 121,850.97 : x
  2. Step 2: Convert to fraction form
    193,595.50/267,045.96 = 121,850.97/x
  3. Step 3: Cross multiply
    193,595.50x = 267,045.96 × 121,850.97
  4. Step 4: Simplify right side
    193,595.50x = 32,539,809,260.58
  5. Step 5: Solve for x
    x = 32,539,809,260.58/193,595.50
  6. Step 6: Final answer
    x = 168,081.43

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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.