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Finding the Fourth Proportional to 200,216.76, 300,351.57 and 73,945.77

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Solution

The fourth proportional to 200,216.76, 300,351.57 and 73,945.77 is: 110,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,216.76 : 300,351.57 = 73,945.77 : x
  2. Step 2: Convert to fraction form
    200,216.76/300,351.57 = 73,945.77/x
  3. Step 3: Cross multiply
    200,216.76x = 300,351.57 × 73,945.77
  4. Step 4: Simplify right side
    200,216.76x = 22,209,728,114.36
  5. Step 5: Solve for x
    x = 22,209,728,114.36/200,216.76
  6. Step 6: Final answer
    x = 110,928.42

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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.