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Finding the Fourth Proportional to 50,892.60, 76,193.10 and 49,434.60

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Solution

The fourth proportional to 50,892.60, 76,193.10 and 49,434.60 is: 74,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,892.60 : 76,193.10 = 49,434.60 : x
  2. Step 2: Convert to fraction form
    50,892.60/76,193.10 = 49,434.60/x
  3. Step 3: Cross multiply
    50,892.60x = 76,193.10 × 49,434.60
  4. Step 4: Simplify right side
    50,892.60x = 3,766,575,421.26
  5. Step 5: Solve for x
    x = 3,766,575,421.26/50,892.60
  6. Step 6: Final answer
    x = 74,010.28

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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.