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Finding the Fourth Proportional to 271,260.50, 374,279.00 and 162,347.90

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Solution

The fourth proportional to 271,260.50, 374,279.00 and 162,347.90 is: 224,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,260.50 : 374,279.00 = 162,347.90 : x
  2. Step 2: Convert to fraction form
    271,260.50/374,279.00 = 162,347.90/x
  3. Step 3: Cross multiply
    271,260.50x = 374,279.00 × 162,347.90
  4. Step 4: Simplify right side
    271,260.50x = 60,763,406,980.97
  5. Step 5: Solve for x
    x = 60,763,406,980.97/271,260.50
  6. Step 6: Final answer
    x = 224,003.89

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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.