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Finding the Fourth Proportional to 148,185.50, 204,494.34 and 80,200.94

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Solution

The fourth proportional to 148,185.50, 204,494.34 and 80,200.94 is: 110,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,185.50 : 204,494.34 = 80,200.94 : x
  2. Step 2: Convert to fraction form
    148,185.50/204,494.34 = 80,200.94/x
  3. Step 3: Cross multiply
    148,185.50x = 204,494.34 × 80,200.94
  4. Step 4: Simplify right side
    148,185.50x = 16,400,638,292.68
  5. Step 5: Solve for x
    x = 16,400,638,292.68/148,185.50
  6. Step 6: Final answer
    x = 110,676.40

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1.5x scale

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.