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Finding the Fourth Proportional to 269,193.89, 403,792.38 and 69,500.63

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Solution

The fourth proportional to 269,193.89, 403,792.38 and 69,500.63 is: 104,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,193.89 : 403,792.38 = 69,500.63 : x
  2. Step 2: Convert to fraction form
    269,193.89/403,792.38 = 69,500.63/x
  3. Step 3: Cross multiply
    269,193.89x = 403,792.38 × 69,500.63
  4. Step 4: Simplify right side
    269,193.89x = 28,063,822,780.24
  5. Step 5: Solve for x
    x = 28,063,822,780.24/269,193.89
  6. Step 6: Final answer
    x = 104,251.34

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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.