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Finding the Fourth Proportional to 192,661.70, 288,992.55 and 159,484.10

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Solution

The fourth proportional to 192,661.70, 288,992.55 and 159,484.10 is: 239,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,661.70 : 288,992.55 = 159,484.10 : x
  2. Step 2: Convert to fraction form
    192,661.70/288,992.55 = 159,484.10/x
  3. Step 3: Cross multiply
    192,661.70x = 288,992.55 × 159,484.10
  4. Step 4: Simplify right side
    192,661.70x = 46,089,716,743.46
  5. Step 5: Solve for x
    x = 46,089,716,743.46/192,661.70
  6. Step 6: Final answer
    x = 239,226.15

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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.