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Finding the Fourth Proportional to 168,309.30, 252,026.55 and 133,025.70

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Solution

The fourth proportional to 168,309.30, 252,026.55 and 133,025.70 is: 199,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,309.30 : 252,026.55 = 133,025.70 : x
  2. Step 2: Convert to fraction form
    168,309.30/252,026.55 = 133,025.70/x
  3. Step 3: Cross multiply
    168,309.30x = 252,026.55 × 133,025.70
  4. Step 4: Simplify right side
    168,309.30x = 33,526,008,232.34
  5. Step 5: Solve for x
    x = 33,526,008,232.34/168,309.30
  6. Step 6: Final answer
    x = 199,192.84

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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.