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Finding the Fourth Proportional to 50,120.54, 74,973.03 and 38,183.99

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Solution

The fourth proportional to 50,120.54, 74,973.03 and 38,183.99 is: 57,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,120.54 : 74,973.03 = 38,183.99 : x
  2. Step 2: Convert to fraction form
    50,120.54/74,973.03 = 38,183.99/x
  3. Step 3: Cross multiply
    50,120.54x = 74,973.03 × 38,183.99
  4. Step 4: Simplify right side
    50,120.54x = 2,862,769,615.22
  5. Step 5: Solve for x
    x = 2,862,769,615.22/50,120.54
  6. Step 6: Final answer
    x = 57,117.70

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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.