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Finding the Fourth Proportional to 271,054.50, 374,060.61 and 157,884.54

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Solution

The fourth proportional to 271,054.50, 374,060.61 and 157,884.54 is: 217,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,054.50 : 374,060.61 = 157,884.54 : x
  2. Step 2: Convert to fraction form
    271,054.50/374,060.61 = 157,884.54/x
  3. Step 3: Cross multiply
    271,054.50x = 374,060.61 × 157,884.54
  4. Step 4: Simplify right side
    271,054.50x = 59,058,387,341.97
  5. Step 5: Solve for x
    x = 59,058,387,341.97/271,054.50
  6. Step 6: Final answer
    x = 217,883.81

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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.