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Finding the Fourth Proportional to 251,552.92, 347,092.68 and 144,156.64

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Solution

The fourth proportional to 251,552.92, 347,092.68 and 144,156.64 is: 198,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,552.92 : 347,092.68 = 144,156.64 : x
  2. Step 2: Convert to fraction form
    251,552.92/347,092.68 = 144,156.64/x
  3. Step 3: Cross multiply
    251,552.92x = 347,092.68 × 144,156.64
  4. Step 4: Simplify right side
    251,552.92x = 50,035,714,517.40
  5. Step 5: Solve for x
    x = 50,035,714,517.40/251,552.92
  6. Step 6: Final answer
    x = 198,907.31

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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.