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Finding the Fourth Proportional to 192,034.30, 288,051.45 and 172,680.70

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Solution

The fourth proportional to 192,034.30, 288,051.45 and 172,680.70 is: 259,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,034.30 : 288,051.45 = 172,680.70 : x
  2. Step 2: Convert to fraction form
    192,034.30/288,051.45 = 172,680.70/x
  3. Step 3: Cross multiply
    192,034.30x = 288,051.45 × 172,680.70
  4. Step 4: Simplify right side
    192,034.30x = 49,740,926,022.02
  5. Step 5: Solve for x
    x = 49,740,926,022.02/192,034.30
  6. Step 6: Final answer
    x = 259,021.05

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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.