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Finding the Fourth Proportional to 201,743.40, 302,096.70 and 148,866.60

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Solution

The fourth proportional to 201,743.40, 302,096.70 and 148,866.60 is: 222,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,743.40 : 302,096.70 = 148,866.60 : x
  2. Step 2: Convert to fraction form
    201,743.40/302,096.70 = 148,866.60/x
  3. Step 3: Cross multiply
    201,743.40x = 302,096.70 × 148,866.60
  4. Step 4: Simplify right side
    201,743.40x = 44,972,108,600.22
  5. Step 5: Solve for x
    x = 44,972,108,600.22/201,743.40
  6. Step 6: Final answer
    x = 222,917.37

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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.