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Finding the Fourth Proportional to 271,578, 374,752.88 and 161,177.60

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Solution

The fourth proportional to 271,578, 374,752.88 and 161,177.60 is: 222,410.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,578 : 374,752.88 = 161,177.60 : x
  2. Step 2: Convert to fraction form
    271,578/374,752.88 = 161,177.60/x
  3. Step 3: Cross multiply
    271,578x = 374,752.88 × 161,177.60
  4. Step 4: Simplify right side
    271,578x = 60,401,767,111.84
  5. Step 5: Solve for x
    x = 60,401,767,111.84/271,578
  6. Step 6: Final answer
    x = 222,410.38

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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.