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Finding the Fourth Proportional to 192,654.60, 288,981.90 and 173,020.20

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Solution

The fourth proportional to 192,654.60, 288,981.90 and 173,020.20 is: 259,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,654.60 : 288,981.90 = 173,020.20 : x
  2. Step 2: Convert to fraction form
    192,654.60/288,981.90 = 173,020.20/x
  3. Step 3: Cross multiply
    192,654.60x = 288,981.90 × 173,020.20
  4. Step 4: Simplify right side
    192,654.60x = 49,999,706,134.38
  5. Step 5: Solve for x
    x = 49,999,706,134.38/192,654.60
  6. Step 6: Final answer
    x = 259,530.30

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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.