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Finding the Fourth Proportional to 231,902.88, 347,683.92 and 74,040.24

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Solution

The fourth proportional to 231,902.88, 347,683.92 and 74,040.24 is: 111,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,902.88 : 347,683.92 = 74,040.24 : x
  2. Step 2: Convert to fraction form
    231,902.88/347,683.92 = 74,040.24/x
  3. Step 3: Cross multiply
    231,902.88x = 347,683.92 × 74,040.24
  4. Step 4: Simplify right side
    231,902.88x = 25,742,600,880.94
  5. Step 5: Solve for x
    x = 25,742,600,880.94/231,902.88
  6. Step 6: Final answer
    x = 111,005.96

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1.5x scale

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.