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Finding the Fourth Proportional to 271,389.58, 374,272.50 and 169,424.48

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Solution

The fourth proportional to 271,389.58, 374,272.50 and 169,424.48 is: 233,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,389.58 : 374,272.50 = 169,424.48 : x
  2. Step 2: Convert to fraction form
    271,389.58/374,272.50 = 169,424.48/x
  3. Step 3: Cross multiply
    271,389.58x = 374,272.50 × 169,424.48
  4. Step 4: Simplify right side
    271,389.58x = 63,410,923,690.80
  5. Step 5: Solve for x
    x = 63,410,923,690.80/271,389.58
  6. Step 6: Final answer
    x = 233,652.76

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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.