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Finding the Fourth Proportional to 367,858.98, 551,790.30 and 111,693.78

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Solution

The fourth proportional to 367,858.98, 551,790.30 and 111,693.78 is: 167,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,858.98 : 551,790.30 = 111,693.78 : x
  2. Step 2: Convert to fraction form
    367,858.98/551,790.30 = 111,693.78/x
  3. Step 3: Cross multiply
    367,858.98x = 551,790.30 × 111,693.78
  4. Step 4: Simplify right side
    367,858.98x = 61,631,544,374.33
  5. Step 5: Solve for x
    x = 61,631,544,374.33/367,858.98
  6. Step 6: Final answer
    x = 167,541.23

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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.