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Finding the Fourth Proportional to 295,785.45, 443,514.15 and 118,091.70

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Solution

The fourth proportional to 295,785.45, 443,514.15 and 118,091.70 is: 177,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,785.45 : 443,514.15 = 118,091.70 : x
  2. Step 2: Convert to fraction form
    295,785.45/443,514.15 = 118,091.70/x
  3. Step 3: Cross multiply
    295,785.45x = 443,514.15 × 118,091.70
  4. Step 4: Simplify right side
    295,785.45x = 52,375,339,947.56
  5. Step 5: Solve for x
    x = 52,375,339,947.56/295,785.45
  6. Step 6: Final answer
    x = 177,072.06

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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.