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Finding the Fourth Proportional to 272,874, 376,591.59 and 159,696.84

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Solution

The fourth proportional to 272,874, 376,591.59 and 159,696.84 is: 220,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,874 : 376,591.59 = 159,696.84 : x
  2. Step 2: Convert to fraction form
    272,874/376,591.59 = 159,696.84/x
  3. Step 3: Cross multiply
    272,874x = 376,591.59 × 159,696.84
  4. Step 4: Simplify right side
    272,874x = 60,140,486,893.58
  5. Step 5: Solve for x
    x = 60,140,486,893.58/272,874
  6. Step 6: Final answer
    x = 220,396.55

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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.