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Finding the Fourth Proportional to 200,374.36, 300,570.84 and 111,560.92

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Solution

The fourth proportional to 200,374.36, 300,570.84 and 111,560.92 is: 167,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,374.36 : 300,570.84 = 111,560.92 : x
  2. Step 2: Convert to fraction form
    200,374.36/300,570.84 = 111,560.92/x
  3. Step 3: Cross multiply
    200,374.36x = 300,570.84 × 111,560.92
  4. Step 4: Simplify right side
    200,374.36x = 33,531,959,435.57
  5. Step 5: Solve for x
    x = 33,531,959,435.57/200,374.36
  6. Step 6: Final answer
    x = 167,346.56

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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.