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Finding the Fourth Proportional to 273,889.81, 377,933.21 and 160,671.25

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Solution

The fourth proportional to 273,889.81, 377,933.21 and 160,671.25 is: 221,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,889.81 : 377,933.21 = 160,671.25 : x
  2. Step 2: Convert to fraction form
    273,889.81/377,933.21 = 160,671.25/x
  3. Step 3: Cross multiply
    273,889.81x = 377,933.21 × 160,671.25
  4. Step 4: Simplify right side
    273,889.81x = 60,723,000,463.86
  5. Step 5: Solve for x
    x = 60,723,000,463.86/273,889.81
  6. Step 6: Final answer
    x = 221,705.95

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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.