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Finding the Fourth Proportional to 253,143.87, 379,024.11 and 182,137.47

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Solution

The fourth proportional to 253,143.87, 379,024.11 and 182,137.47 is: 272,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,143.87 : 379,024.11 = 182,137.47 : x
  2. Step 2: Convert to fraction form
    253,143.87/379,024.11 = 182,137.47/x
  3. Step 3: Cross multiply
    253,143.87x = 379,024.11 × 182,137.47
  4. Step 4: Simplify right side
    253,143.87x = 69,034,492,464.40
  5. Step 5: Solve for x
    x = 69,034,492,464.40/253,143.87
  6. Step 6: Final answer
    x = 272,708.53

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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.