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Finding the Fourth Proportional to 201,002.37, 301,220.09 and 111,085.58

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Solution

The fourth proportional to 201,002.37, 301,220.09 and 111,085.58 is: 166,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,002.37 : 301,220.09 = 111,085.58 : x
  2. Step 2: Convert to fraction form
    201,002.37/301,220.09 = 111,085.58/x
  3. Step 3: Cross multiply
    201,002.37x = 301,220.09 × 111,085.58
  4. Step 4: Simplify right side
    201,002.37x = 33,461,207,637.56
  5. Step 5: Solve for x
    x = 33,461,207,637.56/201,002.37
  6. Step 6: Final answer
    x = 166,471.70

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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.