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Finding the Fourth Proportional to 200,269.50, 276,372.18 and 124,818

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Solution

The fourth proportional to 200,269.50, 276,372.18 and 124,818 is: 172,249.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,269.50 : 276,372.18 = 124,818 : x
  2. Step 2: Convert to fraction form
    200,269.50/276,372.18 = 124,818/x
  3. Step 3: Cross multiply
    200,269.50x = 276,372.18 × 124,818
  4. Step 4: Simplify right side
    200,269.50x = 34,496,222,763.24
  5. Step 5: Solve for x
    x = 34,496,222,763.24/200,269.50
  6. Step 6: Final answer
    x = 172,249.01

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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.