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Finding the Fourth Proportional to 116,091.34, 174,137.04 and 92,865.40

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Solution

The fourth proportional to 116,091.34, 174,137.04 and 92,865.40 is: 139,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,091.34 : 174,137.04 = 92,865.40 : x
  2. Step 2: Convert to fraction form
    116,091.34/174,137.04 = 92,865.40/x
  3. Step 3: Cross multiply
    116,091.34x = 174,137.04 × 92,865.40
  4. Step 4: Simplify right side
    116,091.34x = 16,171,305,874.42
  5. Step 5: Solve for x
    x = 16,171,305,874.42/116,091.34
  6. Step 6: Final answer
    x = 139,298.12

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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.