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Finding the Fourth Proportional to 50,061.39, 69,077.90 and 29,914.01

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Solution

The fourth proportional to 50,061.39, 69,077.90 and 29,914.01 is: 41,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,061.39 : 69,077.90 = 29,914.01 : x
  2. Step 2: Convert to fraction form
    50,061.39/69,077.90 = 29,914.01/x
  3. Step 3: Cross multiply
    50,061.39x = 69,077.90 × 29,914.01
  4. Step 4: Simplify right side
    50,061.39x = 2,066,396,991.38
  5. Step 5: Solve for x
    x = 2,066,396,991.38/50,061.39
  6. Step 6: Final answer
    x = 41,277.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.