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Finding the Fourth Proportional to 272,745.84, 376,389.18 and 159,590.52

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Solution

The fourth proportional to 272,745.84, 376,389.18 and 159,590.52 is: 220,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,745.84 : 376,389.18 = 159,590.52 : x
  2. Step 2: Convert to fraction form
    272,745.84/376,389.18 = 159,590.52/x
  3. Step 3: Cross multiply
    272,745.84x = 376,389.18 × 159,590.52
  4. Step 4: Simplify right side
    272,745.84x = 60,068,144,958.57
  5. Step 5: Solve for x
    x = 60,068,144,958.57/272,745.84
  6. Step 6: Final answer
    x = 220,234.87

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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.