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Finding the Fourth Proportional to 200,366.88, 300,352.68 and 111,662.16

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Solution

The fourth proportional to 200,366.88, 300,352.68 and 111,662.16 is: 167,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,366.88 : 300,352.68 = 111,662.16 : x
  2. Step 2: Convert to fraction form
    200,366.88/300,352.68 = 111,662.16/x
  3. Step 3: Cross multiply
    200,366.88x = 300,352.68 × 111,662.16
  4. Step 4: Simplify right side
    200,366.88x = 33,538,029,010.59
  5. Step 5: Solve for x
    x = 33,538,029,010.59/200,366.88
  6. Step 6: Final answer
    x = 167,383.10

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1.5x scale

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.