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Finding the Fourth Proportional to 192,072.40, 288,108.60 and 152,414.80

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Solution

The fourth proportional to 192,072.40, 288,108.60 and 152,414.80 is: 228,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,072.40 : 288,108.60 = 152,414.80 : x
  2. Step 2: Convert to fraction form
    192,072.40/288,108.60 = 152,414.80/x
  3. Step 3: Cross multiply
    192,072.40x = 288,108.60 × 152,414.80
  4. Step 4: Simplify right side
    192,072.40x = 43,912,014,647.28
  5. Step 5: Solve for x
    x = 43,912,014,647.28/192,072.40
  6. Step 6: Final answer
    x = 228,622.20

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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.