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Finding the Fourth Proportional to 269,152.79, 371,439.27 and 154,452.44

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Solution

The fourth proportional to 269,152.79, 371,439.27 and 154,452.44 is: 213,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,152.79 : 371,439.27 = 154,452.44 : x
  2. Step 2: Convert to fraction form
    269,152.79/371,439.27 = 154,452.44/x
  3. Step 3: Cross multiply
    269,152.79x = 371,439.27 × 154,452.44
  4. Step 4: Simplify right side
    269,152.79x = 57,369,701,563.32
  5. Step 5: Solve for x
    x = 57,369,701,563.32/269,152.79
  6. Step 6: Final answer
    x = 213,149.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.