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Finding the Fourth Proportional to 146,672.50, 202,408.08 and 79,604.50

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Solution

The fourth proportional to 146,672.50, 202,408.08 and 79,604.50 is: 109,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,672.50 : 202,408.08 = 79,604.50 : x
  2. Step 2: Convert to fraction form
    146,672.50/202,408.08 = 79,604.50/x
  3. Step 3: Cross multiply
    146,672.50x = 202,408.08 × 79,604.50
  4. Step 4: Simplify right side
    146,672.50x = 16,112,594,004.36
  5. Step 5: Solve for x
    x = 16,112,594,004.36/146,672.50
  6. Step 6: Final answer
    x = 109,854.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.