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Finding the Fourth Proportional to 241,489.80, 362,199.87 and 81,536.76

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Solution

The fourth proportional to 241,489.80, 362,199.87 and 81,536.76 is: 122,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,489.80 : 362,199.87 = 81,536.76 : x
  2. Step 2: Convert to fraction form
    241,489.80/362,199.87 = 81,536.76/x
  3. Step 3: Cross multiply
    241,489.80x = 362,199.87 × 81,536.76
  4. Step 4: Simplify right side
    241,489.80x = 29,532,603,872.22
  5. Step 5: Solve for x
    x = 29,532,603,872.22/241,489.80
  6. Step 6: Final answer
    x = 122,293.38

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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.