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Finding the Fourth Proportional to 272,818.44, 376,508.36 and 165,393

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Solution

The fourth proportional to 272,818.44, 376,508.36 and 165,393 is: 228,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,818.44 : 376,508.36 = 165,393 : x
  2. Step 2: Convert to fraction form
    272,818.44/376,508.36 = 165,393/x
  3. Step 3: Cross multiply
    272,818.44x = 376,508.36 × 165,393
  4. Step 4: Simplify right side
    272,818.44x = 62,271,847,185.48
  5. Step 5: Solve for x
    x = 62,271,847,185.48/272,818.44
  6. Step 6: Final answer
    x = 228,253.81

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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.