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Finding the Fourth Proportional to 250,643.44, 376,063.64 and 110,303.68

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Solution

The fourth proportional to 250,643.44, 376,063.64 and 110,303.68 is: 165,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,643.44 : 376,063.64 = 110,303.68 : x
  2. Step 2: Convert to fraction form
    250,643.44/376,063.64 = 110,303.68/x
  3. Step 3: Cross multiply
    250,643.44x = 376,063.64 × 110,303.68
  4. Step 4: Simplify right side
    250,643.44x = 41,481,203,406.20
  5. Step 5: Solve for x
    x = 41,481,203,406.20/250,643.44
  6. Step 6: Final answer
    x = 165,498.86

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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.