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Finding the Fourth Proportional to 201,250.56, 301,919.36 and 61,019.52

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Solution

The fourth proportional to 201,250.56, 301,919.36 and 61,019.52 is: 91,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,250.56 : 301,919.36 = 61,019.52 : x
  2. Step 2: Convert to fraction form
    201,250.56/301,919.36 = 61,019.52/x
  3. Step 3: Cross multiply
    201,250.56x = 301,919.36 × 61,019.52
  4. Step 4: Simplify right side
    201,250.56x = 18,422,974,425.91
  5. Step 5: Solve for x
    x = 18,422,974,425.91/201,250.56
  6. Step 6: Final answer
    x = 91,542.48

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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.