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Finding the Fourth Proportional to 271,085.51, 374,107.67 and 163,634.55

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Solution

The fourth proportional to 271,085.51, 374,107.67 and 163,634.55 is: 225,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,085.51 : 374,107.67 = 163,634.55 : x
  2. Step 2: Convert to fraction form
    271,085.51/374,107.67 = 163,634.55/x
  3. Step 3: Cross multiply
    271,085.51x = 374,107.67 × 163,634.55
  4. Step 4: Simplify right side
    271,085.51x = 61,216,939,413.83
  5. Step 5: Solve for x
    x = 61,216,939,413.83/271,085.51
  6. Step 6: Final answer
    x = 225,821.51

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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.