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Finding the Fourth Proportional to 201,255.22, 301,883.64 and 61,015.06

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Solution

The fourth proportional to 201,255.22, 301,883.64 and 61,015.06 is: 91,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,255.22 : 301,883.64 = 61,015.06 : x
  2. Step 2: Convert to fraction form
    201,255.22/301,883.64 = 61,015.06/x
  3. Step 3: Cross multiply
    201,255.22x = 301,883.64 × 61,015.06
  4. Step 4: Simplify right side
    201,255.22x = 18,419,448,407.62
  5. Step 5: Solve for x
    x = 18,419,448,407.62/201,255.22
  6. Step 6: Final answer
    x = 91,522.84

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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.