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Finding the Fourth Proportional to 45,797.36, 68,696.99 and 30,102.47

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Solution

The fourth proportional to 45,797.36, 68,696.99 and 30,102.47 is: 45,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,797.36 : 68,696.99 = 30,102.47 : x
  2. Step 2: Convert to fraction form
    45,797.36/68,696.99 = 30,102.47/x
  3. Step 3: Cross multiply
    45,797.36x = 68,696.99 × 30,102.47
  4. Step 4: Simplify right side
    45,797.36x = 2,067,948,586.57
  5. Step 5: Solve for x
    x = 2,067,948,586.57/45,797.36
  6. Step 6: Final answer
    x = 45,154.32

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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.