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Finding the Fourth Proportional to 53,613.39, 80,420.66 and 16,173.79

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Solution

The fourth proportional to 53,613.39, 80,420.66 and 16,173.79 is: 24,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,613.39 : 80,420.66 = 16,173.79 : x
  2. Step 2: Convert to fraction form
    53,613.39/80,420.66 = 16,173.79/x
  3. Step 3: Cross multiply
    53,613.39x = 80,420.66 × 16,173.79
  4. Step 4: Simplify right side
    53,613.39x = 1,300,706,645.55
  5. Step 5: Solve for x
    x = 1,300,706,645.55/53,613.39
  6. Step 6: Final answer
    x = 24,260.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.