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Finding the Fourth Proportional to 201,791.00, 278,491.23 and 150,715.07

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Solution

The fourth proportional to 201,791.00, 278,491.23 and 150,715.07 is: 208,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,791.00 : 278,491.23 = 150,715.07 : x
  2. Step 2: Convert to fraction form
    201,791.00/278,491.23 = 150,715.07/x
  3. Step 3: Cross multiply
    201,791.00x = 278,491.23 × 150,715.07
  4. Step 4: Simplify right side
    201,791.00x = 41,972,823,077.80
  5. Step 5: Solve for x
    x = 41,972,823,077.80/201,791.00
  6. Step 6: Final answer
    x = 208,001.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.