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Finding the Fourth Proportional to 79,369.95, 119,072.54 and 26,778.27

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Solution

The fourth proportional to 79,369.95, 119,072.54 and 26,778.27 is: 40,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,369.95 : 119,072.54 = 26,778.27 : x
  2. Step 2: Convert to fraction form
    79,369.95/119,072.54 = 26,778.27/x
  3. Step 3: Cross multiply
    79,369.95x = 119,072.54 × 26,778.27
  4. Step 4: Simplify right side
    79,369.95x = 3,188,556,625.71
  5. Step 5: Solve for x
    x = 3,188,556,625.71/79,369.95
  6. Step 6: Final answer
    x = 40,173.35

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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.