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Finding the Fourth Proportional to 251,299,874.80, 376,949,812.20 and 169,670,537.20

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Solution

The fourth proportional to 251,299,874.80, 376,949,812.20 and 169,670,537.20 is: 254,505,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,299,874.80 : 376,949,812.20 = 169,670,537.20 : x
  2. Step 2: Convert to fraction form
    251,299,874.80/376,949,812.20 = 169,670,537.20/x
  3. Step 3: Cross multiply
    251,299,874.80x = 376,949,812.20 × 169,670,537.20
  4. Step 4: Simplify right side
    251,299,874.80x = 63,957,277,133,413,104
  5. Step 5: Solve for x
    x = 63,957,277,133,413,104/251,299,874.80
  6. Step 6: Final answer
    x = 254,505,805.80

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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.