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Finding the Fourth Proportional to 92,855.85, 139,339.11 and 33,696.14

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Solution

The fourth proportional to 92,855.85, 139,339.11 and 33,696.14 is: 50,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,855.85 : 139,339.11 = 33,696.14 : x
  2. Step 2: Convert to fraction form
    92,855.85/139,339.11 = 33,696.14/x
  3. Step 3: Cross multiply
    92,855.85x = 139,339.11 × 33,696.14
  4. Step 4: Simplify right side
    92,855.85x = 4,695,189,461.34
  5. Step 5: Solve for x
    x = 4,695,189,461.34/92,855.85
  6. Step 6: Final answer
    x = 50,564.28

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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.