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Finding the Fourth Proportional to 273,410.78, 377,155.24 and 160,211.66

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Solution

The fourth proportional to 273,410.78, 377,155.24 and 160,211.66 is: 221,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,410.78 : 377,155.24 = 160,211.66 : x
  2. Step 2: Convert to fraction form
    273,410.78/377,155.24 = 160,211.66/x
  3. Step 3: Cross multiply
    273,410.78x = 377,155.24 × 160,211.66
  4. Step 4: Simplify right side
    273,410.78x = 60,424,664,791.79
  5. Step 5: Solve for x
    x = 60,424,664,791.79/273,410.78
  6. Step 6: Final answer
    x = 221,003.23

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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.