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Finding the Fourth Proportional to 50,195.64, 75,291.12 and 20,606.16

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Solution

The fourth proportional to 50,195.64, 75,291.12 and 20,606.16 is: 30,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,195.64 : 75,291.12 = 20,606.16 : x
  2. Step 2: Convert to fraction form
    50,195.64/75,291.12 = 20,606.16/x
  3. Step 3: Cross multiply
    50,195.64x = 75,291.12 × 20,606.16
  4. Step 4: Simplify right side
    50,195.64x = 1,551,460,865.30
  5. Step 5: Solve for x
    x = 1,551,460,865.30/50,195.64
  6. Step 6: Final answer
    x = 30,908.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.