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Finding the Fourth Proportional to 92,930.63, 139,395.47 and 26,370.87

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Solution

The fourth proportional to 92,930.63, 139,395.47 and 26,370.87 is: 39,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,930.63 : 139,395.47 = 26,370.87 : x
  2. Step 2: Convert to fraction form
    92,930.63/139,395.47 = 26,370.87/x
  3. Step 3: Cross multiply
    92,930.63x = 139,395.47 × 26,370.87
  4. Step 4: Simplify right side
    92,930.63x = 3,675,979,163.37
  5. Step 5: Solve for x
    x = 3,675,979,163.37/92,930.63
  6. Step 6: Final answer
    x = 39,556.17

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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.