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Finding the Fourth Proportional to 192,018.80, 288,028.20 and 160,914.80

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Solution

The fourth proportional to 192,018.80, 288,028.20 and 160,914.80 is: 241,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,018.80 : 288,028.20 = 160,914.80 : x
  2. Step 2: Convert to fraction form
    192,018.80/288,028.20 = 160,914.80/x
  3. Step 3: Cross multiply
    192,018.80x = 288,028.20 × 160,914.80
  4. Step 4: Simplify right side
    192,018.80x = 46,348,000,197.36
  5. Step 5: Solve for x
    x = 46,348,000,197.36/192,018.80
  6. Step 6: Final answer
    x = 241,372.20

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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.