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Finding the Fourth Proportional to 271,123.68, 374,061.06 and 163,652.88

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Solution

The fourth proportional to 271,123.68, 374,061.06 and 163,652.88 is: 225,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,123.68 : 374,061.06 = 163,652.88 : x
  2. Step 2: Convert to fraction form
    271,123.68/374,061.06 = 163,652.88/x
  3. Step 3: Cross multiply
    271,123.68x = 374,061.06 × 163,652.88
  4. Step 4: Simplify right side
    271,123.68x = 61,216,169,764.85
  5. Step 5: Solve for x
    x = 61,216,169,764.85/271,123.68
  6. Step 6: Final answer
    x = 225,786.88

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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.