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Finding the Fourth Proportional to 271,459.92, 374,484.78 and 162,489.90

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Solution

The fourth proportional to 271,459.92, 374,484.78 and 162,489.90 is: 224,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,459.92 : 374,484.78 = 162,489.90 : x
  2. Step 2: Convert to fraction form
    271,459.92/374,484.78 = 162,489.90/x
  3. Step 3: Cross multiply
    271,459.92x = 374,484.78 × 162,489.90
  4. Step 4: Simplify right side
    271,459.92x = 60,849,994,453.72
  5. Step 5: Solve for x
    x = 60,849,994,453.72/271,459.92
  6. Step 6: Final answer
    x = 224,158.30

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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.