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Finding the Fourth Proportional to 110,185.77, 165,181.76 and 43,672.61

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Solution

The fourth proportional to 110,185.77, 165,181.76 and 43,672.61 is: 65,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,185.77 : 165,181.76 = 43,672.61 : x
  2. Step 2: Convert to fraction form
    110,185.77/165,181.76 = 43,672.61/x
  3. Step 3: Cross multiply
    110,185.77x = 165,181.76 × 43,672.61
  4. Step 4: Simplify right side
    110,185.77x = 7,213,917,539.32
  5. Step 5: Solve for x
    x = 7,213,917,539.32/110,185.77
  6. Step 6: Final answer
    x = 65,470.50

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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.