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Finding the Fourth Proportional to 269,734.96, 404,654.46 and 103,510

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Solution

The fourth proportional to 269,734.96, 404,654.46 and 103,510 is: 155,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,734.96 : 404,654.46 = 103,510 : x
  2. Step 2: Convert to fraction form
    269,734.96/404,654.46 = 103,510/x
  3. Step 3: Cross multiply
    269,734.96x = 404,654.46 × 103,510
  4. Step 4: Simplify right side
    269,734.96x = 41,885,783,154.60
  5. Step 5: Solve for x
    x = 41,885,783,154.60/269,734.96
  6. Step 6: Final answer
    x = 155,284.96

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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.