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Finding the Fourth Proportional to 273,954.95, 377,813.07 and 171,989.91

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Solution

The fourth proportional to 273,954.95, 377,813.07 and 171,989.91 is: 237,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,954.95 : 377,813.07 = 171,989.91 : x
  2. Step 2: Convert to fraction form
    273,954.95/377,813.07 = 171,989.91/x
  3. Step 3: Cross multiply
    273,954.95x = 377,813.07 × 171,989.91
  4. Step 4: Simplify right side
    273,954.95x = 64,980,035,906.12
  5. Step 5: Solve for x
    x = 64,980,035,906.12/273,954.95
  6. Step 6: Final answer
    x = 237,192.42

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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.