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Finding the Fourth Proportional to 71,464.97, 107,187.53 and 50,052.83

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Solution

The fourth proportional to 71,464.97, 107,187.53 and 50,052.83 is: 75,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,464.97 : 107,187.53 = 50,052.83 : x
  2. Step 2: Convert to fraction form
    71,464.97/107,187.53 = 50,052.83/x
  3. Step 3: Cross multiply
    71,464.97x = 107,187.53 × 50,052.83
  4. Step 4: Simplify right side
    71,464.97x = 5,365,038,966.95
  5. Step 5: Solve for x
    x = 5,365,038,966.95/71,464.97
  6. Step 6: Final answer
    x = 75,072.29

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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.