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Finding the Fourth Proportional to 248,891.84, 373,260 and 108,612.80

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Solution

The fourth proportional to 248,891.84, 373,260 and 108,612.80 is: 162,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,891.84 : 373,260 = 108,612.80 : x
  2. Step 2: Convert to fraction form
    248,891.84/373,260 = 108,612.80/x
  3. Step 3: Cross multiply
    248,891.84x = 373,260 × 108,612.80
  4. Step 4: Simplify right side
    248,891.84x = 40,540,813,728
  5. Step 5: Solve for x
    x = 40,540,813,728/248,891.84
  6. Step 6: Final answer
    x = 162,885.27

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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.