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Finding the Fourth Proportional to 317,391.54, 476,131.86 and 92,768.43

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Solution

The fourth proportional to 317,391.54, 476,131.86 and 92,768.43 is: 139,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,391.54 : 476,131.86 = 92,768.43 : x
  2. Step 2: Convert to fraction form
    317,391.54/476,131.86 = 92,768.43/x
  3. Step 3: Cross multiply
    317,391.54x = 476,131.86 × 92,768.43
  4. Step 4: Simplify right side
    317,391.54x = 44,170,005,125.18
  5. Step 5: Solve for x
    x = 44,170,005,125.18/317,391.54
  6. Step 6: Final answer
    x = 139,165.67

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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.