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Finding the Fourth Proportional to 251,166.30, 376,810.20 and 73,679.10

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Solution

The fourth proportional to 251,166.30, 376,810.20 and 73,679.10 is: 110,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,166.30 : 376,810.20 = 73,679.10 : x
  2. Step 2: Convert to fraction form
    251,166.30/376,810.20 = 73,679.10/x
  3. Step 3: Cross multiply
    251,166.30x = 376,810.20 × 73,679.10
  4. Step 4: Simplify right side
    251,166.30x = 27,763,036,406.82
  5. Step 5: Solve for x
    x = 27,763,036,406.82/251,166.30
  6. Step 6: Final answer
    x = 110,536.47

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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.