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Finding the Fourth Proportional to 92,745.99, 139,124.78 and 26,191.23

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Solution

The fourth proportional to 92,745.99, 139,124.78 and 26,191.23 is: 39,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,745.99 : 139,124.78 = 26,191.23 : x
  2. Step 2: Convert to fraction form
    92,745.99/139,124.78 = 26,191.23/x
  3. Step 3: Cross multiply
    92,745.99x = 139,124.78 × 26,191.23
  4. Step 4: Simplify right side
    92,745.99x = 3,643,848,980.72
  5. Step 5: Solve for x
    x = 3,643,848,980.72/92,745.99
  6. Step 6: Final answer
    x = 39,288.48

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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.