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Finding the Fourth Proportional to 200,661.08, 276,912.30 and 111,237.08

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Solution

The fourth proportional to 200,661.08, 276,912.30 and 111,237.08 is: 153,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,661.08 : 276,912.30 = 111,237.08 : x
  2. Step 2: Convert to fraction form
    200,661.08/276,912.30 = 111,237.08/x
  3. Step 3: Cross multiply
    200,661.08x = 276,912.30 × 111,237.08
  4. Step 4: Simplify right side
    200,661.08x = 30,802,915,668.08
  5. Step 5: Solve for x
    x = 30,802,915,668.08/200,661.08
  6. Step 6: Final answer
    x = 153,507.18

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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.