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Finding the Fourth Proportional to 273,321.68, 377,186.76 and 152,474

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Solution

The fourth proportional to 273,321.68, 377,186.76 and 152,474 is: 210,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,321.68 : 377,186.76 = 152,474 : x
  2. Step 2: Convert to fraction form
    273,321.68/377,186.76 = 152,474/x
  3. Step 3: Cross multiply
    273,321.68x = 377,186.76 × 152,474
  4. Step 4: Simplify right side
    273,321.68x = 57,511,174,044.24
  5. Step 5: Solve for x
    x = 57,511,174,044.24/273,321.68
  6. Step 6: Final answer
    x = 210,415.71

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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.