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Finding the Fourth Proportional to 200,271.25, 276,374.60 and 124,819.75

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Solution

The fourth proportional to 200,271.25, 276,374.60 and 124,819.75 is: 172,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,271.25 : 276,374.60 = 124,819.75 : x
  2. Step 2: Convert to fraction form
    200,271.25/276,374.60 = 124,819.75/x
  3. Step 3: Cross multiply
    200,271.25x = 276,374.60 × 124,819.75
  4. Step 4: Simplify right side
    200,271.25x = 34,497,008,478.35
  5. Step 5: Solve for x
    x = 34,497,008,478.35/200,271.25
  6. Step 6: Final answer
    x = 172,251.43

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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.