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Finding the Fourth Proportional to 273,751, 377,776.56 and 154,519

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Solution

The fourth proportional to 273,751, 377,776.56 and 154,519 is: 213,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,751 : 377,776.56 = 154,519 : x
  2. Step 2: Convert to fraction form
    273,751/377,776.56 = 154,519/x
  3. Step 3: Cross multiply
    273,751x = 377,776.56 × 154,519
  4. Step 4: Simplify right side
    273,751x = 58,373,656,274.64
  5. Step 5: Solve for x
    x = 58,373,656,274.64/273,751
  6. Step 6: Final answer
    x = 213,236.32

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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.