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Finding the Fourth Proportional to 396,141.02, 594,200.93 and 111,851.07

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Solution

The fourth proportional to 396,141.02, 594,200.93 and 111,851.07 is: 167,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,141.02 : 594,200.93 = 111,851.07 : x
  2. Step 2: Convert to fraction form
    396,141.02/594,200.93 = 111,851.07/x
  3. Step 3: Cross multiply
    396,141.02x = 594,200.93 × 111,851.07
  4. Step 4: Simplify right side
    396,141.02x = 66,462,009,815.50
  5. Step 5: Solve for x
    x = 66,462,009,815.50/396,141.02
  6. Step 6: Final answer
    x = 167,773.61

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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.