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Finding the Fourth Proportional to 74,114.55, 111,007.80 and 60,992.55

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Solution

The fourth proportional to 74,114.55, 111,007.80 and 60,992.55 is: 91,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,114.55 : 111,007.80 = 60,992.55 : x
  2. Step 2: Convert to fraction form
    74,114.55/111,007.80 = 60,992.55/x
  3. Step 3: Cross multiply
    74,114.55x = 111,007.80 × 60,992.55
  4. Step 4: Simplify right side
    74,114.55x = 6,770,648,791.89
  5. Step 5: Solve for x
    x = 6,770,648,791.89/74,114.55
  6. Step 6: Final answer
    x = 91,353.84

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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.