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Finding the Fourth Proportional to 74,522, 111,800.28 and 25,274

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Solution

The fourth proportional to 74,522, 111,800.28 and 25,274 is: 37,916.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,522 : 111,800.28 = 25,274 : x
  2. Step 2: Convert to fraction form
    74,522/111,800.28 = 25,274/x
  3. Step 3: Cross multiply
    74,522x = 111,800.28 × 25,274
  4. Step 4: Simplify right side
    74,522x = 2,825,640,276.72
  5. Step 5: Solve for x
    x = 2,825,640,276.72/74,522
  6. Step 6: Final answer
    x = 37,916.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.