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Finding the Fourth Proportional to 262,675.88, 393,974.64 and 73,116.44

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Solution

The fourth proportional to 262,675.88, 393,974.64 and 73,116.44 is: 109,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,675.88 : 393,974.64 = 73,116.44 : x
  2. Step 2: Convert to fraction form
    262,675.88/393,974.64 = 73,116.44/x
  3. Step 3: Cross multiply
    262,675.88x = 393,974.64 × 73,116.44
  4. Step 4: Simplify right side
    262,675.88x = 28,806,023,127.08
  5. Step 5: Solve for x
    x = 28,806,023,127.08/262,675.88
  6. Step 6: Final answer
    x = 109,663.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.