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Finding the Fourth Proportional to 269,744.50, 404,636.19 and 103,532.50

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Solution

The fourth proportional to 269,744.50, 404,636.19 and 103,532.50 is: 155,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,744.50 : 404,636.19 = 103,532.50 : x
  2. Step 2: Convert to fraction form
    269,744.50/404,636.19 = 103,532.50/x
  3. Step 3: Cross multiply
    269,744.50x = 404,636.19 × 103,532.50
  4. Step 4: Simplify right side
    269,744.50x = 41,892,996,341.18
  5. Step 5: Solve for x
    x = 41,892,996,341.18/269,744.50
  6. Step 6: Final answer
    x = 155,306.21

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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.