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Finding the Fourth Proportional to 273,427.67, 377,321.36 and 149,243.87

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Solution

The fourth proportional to 273,427.67, 377,321.36 and 149,243.87 is: 205,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,427.67 : 377,321.36 = 149,243.87 : x
  2. Step 2: Convert to fraction form
    273,427.67/377,321.36 = 149,243.87/x
  3. Step 3: Cross multiply
    273,427.67x = 377,321.36 × 149,243.87
  4. Step 4: Simplify right side
    273,427.67x = 56,312,900,197.15
  5. Step 5: Solve for x
    x = 56,312,900,197.15/273,427.67
  6. Step 6: Final answer
    x = 205,951.72

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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.