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Finding the Fourth Proportional to 51,242.16, 76,353.82 and 45,652.56

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Solution

The fourth proportional to 51,242.16, 76,353.82 and 45,652.56 is: 68,024.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,242.16 : 76,353.82 = 45,652.56 : x
  2. Step 2: Convert to fraction form
    51,242.16/76,353.82 = 45,652.56/x
  3. Step 3: Cross multiply
    51,242.16x = 76,353.82 × 45,652.56
  4. Step 4: Simplify right side
    51,242.16x = 3,485,747,348.78
  5. Step 5: Solve for x
    x = 3,485,747,348.78/51,242.16
  6. Step 6: Final answer
    x = 68,024.99

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.