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Finding the Fourth Proportional to 267,061, 400,280.22 and 148,675.72

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Solution

The fourth proportional to 267,061, 400,280.22 and 148,675.72 is: 222,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,061 : 400,280.22 = 148,675.72 : x
  2. Step 2: Convert to fraction form
    267,061/400,280.22 = 148,675.72/x
  3. Step 3: Cross multiply
    267,061x = 400,280.22 × 148,675.72
  4. Step 4: Simplify right side
    267,061x = 59,511,949,910.26
  5. Step 5: Solve for x
    x = 59,511,949,910.26/267,061
  6. Step 6: Final answer
    x = 222,840.29

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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.