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Finding the Fourth Proportional to 245,006.97, 367,556.85 and 85,076.65

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Solution

The fourth proportional to 245,006.97, 367,556.85 and 85,076.65 is: 127,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,006.97 : 367,556.85 = 85,076.65 : x
  2. Step 2: Convert to fraction form
    245,006.97/367,556.85 = 85,076.65/x
  3. Step 3: Cross multiply
    245,006.97x = 367,556.85 × 85,076.65
  4. Step 4: Simplify right side
    245,006.97x = 31,270,505,482.55
  5. Step 5: Solve for x
    x = 31,270,505,482.55/245,006.97
  6. Step 6: Final answer
    x = 127,631.09

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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.