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Finding the Fourth Proportional to 269,350.67, 371,706.32 and 148,496.21

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Solution

The fourth proportional to 269,350.67, 371,706.32 and 148,496.21 is: 204,926.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,350.67 : 371,706.32 = 148,496.21 : x
  2. Step 2: Convert to fraction form
    269,350.67/371,706.32 = 148,496.21/x
  3. Step 3: Cross multiply
    269,350.67x = 371,706.32 × 148,496.21
  4. Step 4: Simplify right side
    269,350.67x = 55,196,979,753.05
  5. Step 5: Solve for x
    x = 55,196,979,753.05/269,350.67
  6. Step 6: Final answer
    x = 204,926.09

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Why These Related Problems?

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