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Finding the Fourth Proportional to 53,668.96, 80,634.64 and 50,684.96

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Solution

The fourth proportional to 53,668.96, 80,634.64 and 50,684.96 is: 76,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,668.96 : 80,634.64 = 50,684.96 : x
  2. Step 2: Convert to fraction form
    53,668.96/80,634.64 = 50,684.96/x
  3. Step 3: Cross multiply
    53,668.96x = 80,634.64 × 50,684.96
  4. Step 4: Simplify right side
    53,668.96x = 4,086,963,503.01
  5. Step 5: Solve for x
    x = 4,086,963,503.01/53,668.96
  6. Step 6: Final answer
    x = 76,151.35

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Why These Related Problems?

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