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Finding the Fourth Proportional to 270,811.42, 373,693.74 and 161,894.23

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Solution

The fourth proportional to 270,811.42, 373,693.74 and 161,894.23 is: 223,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,811.42 : 373,693.74 = 161,894.23 : x
  2. Step 2: Convert to fraction form
    270,811.42/373,693.74 = 161,894.23/x
  3. Step 3: Cross multiply
    270,811.42x = 373,693.74 × 161,894.23
  4. Step 4: Simplify right side
    270,811.42x = 60,498,858,751.78
  5. Step 5: Solve for x
    x = 60,498,858,751.78/270,811.42
  6. Step 6: Final answer
    x = 223,398.48

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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.