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Finding the Fourth Proportional to 192,654.40, 288,981.60 and 161,550.40

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Solution

The fourth proportional to 192,654.40, 288,981.60 and 161,550.40 is: 242,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,654.40 : 288,981.60 = 161,550.40 : x
  2. Step 2: Convert to fraction form
    192,654.40/288,981.60 = 161,550.40/x
  3. Step 3: Cross multiply
    192,654.40x = 288,981.60 × 161,550.40
  4. Step 4: Simplify right side
    192,654.40x = 46,685,093,072.64
  5. Step 5: Solve for x
    x = 46,685,093,072.64/192,654.40
  6. Step 6: Final answer
    x = 242,325.60

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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.