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Finding the Fourth Proportional to 50,295.98, 75,744.85 and 45,812.02

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Solution

The fourth proportional to 50,295.98, 75,744.85 and 45,812.02 is: 68,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,295.98 : 75,744.85 = 45,812.02 : x
  2. Step 2: Convert to fraction form
    50,295.98/75,744.85 = 45,812.02/x
  3. Step 3: Cross multiply
    50,295.98x = 75,744.85 × 45,812.02
  4. Step 4: Simplify right side
    50,295.98x = 3,470,024,204.37
  5. Step 5: Solve for x
    x = 3,470,024,204.37/50,295.98
  6. Step 6: Final answer
    x = 68,992.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.