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Finding the Fourth Proportional to 271,608.35, 374,865.92 and 156,866.37

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Solution

The fourth proportional to 271,608.35, 374,865.92 and 156,866.37 is: 216,502.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,608.35 : 374,865.92 = 156,866.37 : x
  2. Step 2: Convert to fraction form
    271,608.35/374,865.92 = 156,866.37/x
  3. Step 3: Cross multiply
    271,608.35x = 374,865.92 × 156,866.37
  4. Step 4: Simplify right side
    271,608.35x = 58,803,855,322.78
  5. Step 5: Solve for x
    x = 58,803,855,322.78/271,608.35
  6. Step 6: Final answer
    x = 216,502.39

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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.