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Finding the Fourth Proportional to 62,696.92, 94,041.89 and 45,847.20

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Solution

The fourth proportional to 62,696.92, 94,041.89 and 45,847.20 is: 68,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,696.92 : 94,041.89 = 45,847.20 : x
  2. Step 2: Convert to fraction form
    62,696.92/94,041.89 = 45,847.20/x
  3. Step 3: Cross multiply
    62,696.92x = 94,041.89 × 45,847.20
  4. Step 4: Simplify right side
    62,696.92x = 4,311,557,339.21
  5. Step 5: Solve for x
    x = 4,311,557,339.21/62,696.92
  6. Step 6: Final answer
    x = 68,768.25

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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.