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Finding the Fourth Proportional to 202,215.30, 303,213.60 and 83,898.60

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Solution

The fourth proportional to 202,215.30, 303,213.60 and 83,898.60 is: 125,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,215.30 : 303,213.60 = 83,898.60 : x
  2. Step 2: Convert to fraction form
    202,215.30/303,213.60 = 83,898.60/x
  3. Step 3: Cross multiply
    202,215.30x = 303,213.60 × 83,898.60
  4. Step 4: Simplify right side
    202,215.30x = 25,439,196,540.96
  5. Step 5: Solve for x
    x = 25,439,196,540.96/202,215.30
  6. Step 6: Final answer
    x = 125,802.53

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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.