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Finding the Fourth Proportional to 260,173.44, 389,956.08 and 110,363.04

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Solution

The fourth proportional to 260,173.44, 389,956.08 and 110,363.04 is: 165,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,173.44 : 389,956.08 = 110,363.04 : x
  2. Step 2: Convert to fraction form
    260,173.44/389,956.08 = 110,363.04/x
  3. Step 3: Cross multiply
    260,173.44x = 389,956.08 × 110,363.04
  4. Step 4: Simplify right side
    260,173.44x = 43,036,738,455.28
  5. Step 5: Solve for x
    x = 43,036,738,455.28/260,173.44
  6. Step 6: Final answer
    x = 165,415.57

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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.