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Finding the Fourth Proportional to 271,730.56, 374,999.90 and 150,871.86

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Solution

The fourth proportional to 271,730.56, 374,999.90 and 150,871.86 is: 208,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,730.56 : 374,999.90 = 150,871.86 : x
  2. Step 2: Convert to fraction form
    271,730.56/374,999.90 = 150,871.86/x
  3. Step 3: Cross multiply
    271,730.56x = 374,999.90 × 150,871.86
  4. Step 4: Simplify right side
    271,730.56x = 56,576,932,412.81
  5. Step 5: Solve for x
    x = 56,576,932,412.81/271,730.56
  6. Step 6: Final answer
    x = 208,209.68

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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.