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Finding the Fourth Proportional to 92,791.44, 139,206.12 and 39,483.36

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Solution

The fourth proportional to 92,791.44, 139,206.12 and 39,483.36 is: 59,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,791.44 : 139,206.12 = 39,483.36 : x
  2. Step 2: Convert to fraction form
    92,791.44/139,206.12 = 39,483.36/x
  3. Step 3: Cross multiply
    92,791.44x = 139,206.12 × 39,483.36
  4. Step 4: Simplify right side
    92,791.44x = 5,496,325,350.16
  5. Step 5: Solve for x
    x = 5,496,325,350.16/92,791.44
  6. Step 6: Final answer
    x = 59,233.11

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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.