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Finding the Fourth Proportional to 270,739.53, 373,503.25 and 163,249.86

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Solution

The fourth proportional to 270,739.53, 373,503.25 and 163,249.86 is: 225,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,739.53 : 373,503.25 = 163,249.86 : x
  2. Step 2: Convert to fraction form
    270,739.53/373,503.25 = 163,249.86/x
  3. Step 3: Cross multiply
    270,739.53x = 373,503.25 × 163,249.86
  4. Step 4: Simplify right side
    270,739.53x = 60,974,353,272.05
  5. Step 5: Solve for x
    x = 60,974,353,272.05/270,739.53
  6. Step 6: Final answer
    x = 225,214.08

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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.