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Finding the Fourth Proportional to 201,435.45, 301,661.10 and 151,243.80

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Solution

The fourth proportional to 201,435.45, 301,661.10 and 151,243.80 is: 226,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,435.45 : 301,661.10 = 151,243.80 : x
  2. Step 2: Convert to fraction form
    201,435.45/301,661.10 = 151,243.80/x
  3. Step 3: Cross multiply
    201,435.45x = 301,661.10 × 151,243.80
  4. Step 4: Simplify right side
    201,435.45x = 45,624,371,076.18
  5. Step 5: Solve for x
    x = 45,624,371,076.18/201,435.45
  6. Step 6: Final answer
    x = 226,496.24

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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.