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Finding the Fourth Proportional to 201,174,224.40, 301,761,336.60 and 189,057,369.60

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Solution

The fourth proportional to 201,174,224.40, 301,761,336.60 and 189,057,369.60 is: 283,586,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,174,224.40 : 301,761,336.60 = 189,057,369.60 : x
  2. Step 2: Convert to fraction form
    201,174,224.40/301,761,336.60 = 189,057,369.60/x
  3. Step 3: Cross multiply
    201,174,224.40x = 301,761,336.60 × 189,057,369.60
  4. Step 4: Simplify right side
    201,174,224.40x = 57,050,204,544,576,208
  5. Step 5: Solve for x
    x = 57,050,204,544,576,208/201,174,224.40
  6. Step 6: Final answer
    x = 283,586,054.40

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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.