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Finding the Fourth Proportional to 202,228.30, 303,451.80 and 83,911.60

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Solution

The fourth proportional to 202,228.30, 303,451.80 and 83,911.60 is: 125,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,228.30 : 303,451.80 = 83,911.60 : x
  2. Step 2: Convert to fraction form
    202,228.30/303,451.80 = 83,911.60/x
  3. Step 3: Cross multiply
    202,228.30x = 303,451.80 × 83,911.60
  4. Step 4: Simplify right side
    202,228.30x = 25,463,126,060.88
  5. Step 5: Solve for x
    x = 25,463,126,060.88/202,228.30
  6. Step 6: Final answer
    x = 125,912.77

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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.