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Finding the Fourth Proportional to 80,313, 120,486.66 and 24,148.41

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Solution

The fourth proportional to 80,313, 120,486.66 and 24,148.41 is: 36,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,313 : 120,486.66 = 24,148.41 : x
  2. Step 2: Convert to fraction form
    80,313/120,486.66 = 24,148.41/x
  3. Step 3: Cross multiply
    80,313x = 120,486.66 × 24,148.41
  4. Step 4: Simplify right side
    80,313x = 2,909,561,265.21
  5. Step 5: Solve for x
    x = 2,909,561,265.21/80,313
  6. Step 6: Final answer
    x = 36,227.77

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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.