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Finding the Fourth Proportional to 83,361.86, 125,038.34 and 23,394.41

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Solution

The fourth proportional to 83,361.86, 125,038.34 and 23,394.41 is: 35,090.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,361.86 : 125,038.34 = 23,394.41 : x
  2. Step 2: Convert to fraction form
    83,361.86/125,038.34 = 23,394.41/x
  3. Step 3: Cross multiply
    83,361.86x = 125,038.34 × 23,394.41
  4. Step 4: Simplify right side
    83,361.86x = 2,925,198,475.03
  5. Step 5: Solve for x
    x = 2,925,198,475.03/83,361.86
  6. Step 6: Final answer
    x = 35,090.37

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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.