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Finding the Fourth Proportional to 168,778.05, 252,945.62 and 124,196.05

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Solution

The fourth proportional to 168,778.05, 252,945.62 and 124,196.05 is: 186,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,778.05 : 252,945.62 = 124,196.05 : x
  2. Step 2: Convert to fraction form
    168,778.05/252,945.62 = 124,196.05/x
  3. Step 3: Cross multiply
    168,778.05x = 252,945.62 × 124,196.05
  4. Step 4: Simplify right side
    168,778.05x = 31,414,846,247.82
  5. Step 5: Solve for x
    x = 31,414,846,247.82/168,778.05
  6. Step 6: Final answer
    x = 186,131.11

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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.