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Finding the Fourth Proportional to 44,145.84, 66,181.40 and 19,167

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Solution

The fourth proportional to 44,145.84, 66,181.40 and 19,167 is: 28,734.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,145.84 : 66,181.40 = 19,167 : x
  2. Step 2: Convert to fraction form
    44,145.84/66,181.40 = 19,167/x
  3. Step 3: Cross multiply
    44,145.84x = 66,181.40 × 19,167
  4. Step 4: Simplify right side
    44,145.84x = 1,268,498,893.80
  5. Step 5: Solve for x
    x = 1,268,498,893.80/44,145.84
  6. Step 6: Final answer
    x = 28,734.28

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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.