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Finding the Fourth Proportional to 168,196.84, 252,202.20 and 66,892.30

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Solution

The fourth proportional to 168,196.84, 252,202.20 and 66,892.30 is: 100,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,196.84 : 252,202.20 = 66,892.30 : x
  2. Step 2: Convert to fraction form
    168,196.84/252,202.20 = 66,892.30/x
  3. Step 3: Cross multiply
    168,196.84x = 252,202.20 × 66,892.30
  4. Step 4: Simplify right side
    168,196.84x = 16,870,385,223.06
  5. Step 5: Solve for x
    x = 16,870,385,223.06/168,196.84
  6. Step 6: Final answer
    x = 100,301.44

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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.