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Finding the Fourth Proportional to 192,076.40, 288,114.60 and 152,418.80

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Solution

The fourth proportional to 192,076.40, 288,114.60 and 152,418.80 is: 228,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,076.40 : 288,114.60 = 152,418.80 : x
  2. Step 2: Convert to fraction form
    192,076.40/288,114.60 = 152,418.80/x
  3. Step 3: Cross multiply
    192,076.40x = 288,114.60 × 152,418.80
  4. Step 4: Simplify right side
    192,076.40x = 43,914,081,594.48
  5. Step 5: Solve for x
    x = 43,914,081,594.48/192,076.40
  6. Step 6: Final answer
    x = 228,628.20

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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.