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Finding the Fourth Proportional to 73,806.57, 101,823.75 and 45,463.05

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Solution

The fourth proportional to 73,806.57, 101,823.75 and 45,463.05 is: 62,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,806.57 : 101,823.75 = 45,463.05 : x
  2. Step 2: Convert to fraction form
    73,806.57/101,823.75 = 45,463.05/x
  3. Step 3: Cross multiply
    73,806.57x = 101,823.75 × 45,463.05
  4. Step 4: Simplify right side
    73,806.57x = 4,629,218,237.44
  5. Step 5: Solve for x
    x = 4,629,218,237.44/73,806.57
  6. Step 6: Final answer
    x = 62,720.95

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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.