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Finding the Fourth Proportional to 270,054.72, 372,149.28 and 194,460.48

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Solution

The fourth proportional to 270,054.72, 372,149.28 and 194,460.48 is: 267,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,054.72 : 372,149.28 = 194,460.48 : x
  2. Step 2: Convert to fraction form
    270,054.72/372,149.28 = 194,460.48/x
  3. Step 3: Cross multiply
    270,054.72x = 372,149.28 × 194,460.48
  4. Step 4: Simplify right side
    270,054.72x = 72,368,327,620.45
  5. Step 5: Solve for x
    x = 72,368,327,620.45/270,054.72
  6. Step 6: Final answer
    x = 267,976.53

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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.