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Finding the Fourth Proportional to 329,121.54, 493,699.23 and 92,482.67

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Solution

The fourth proportional to 329,121.54, 493,699.23 and 92,482.67 is: 138,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,121.54 : 493,699.23 = 92,482.67 : x
  2. Step 2: Convert to fraction form
    329,121.54/493,699.23 = 92,482.67/x
  3. Step 3: Cross multiply
    329,121.54x = 493,699.23 × 92,482.67
  4. Step 4: Simplify right side
    329,121.54x = 45,658,624,201.59
  5. Step 5: Solve for x
    x = 45,658,624,201.59/329,121.54
  6. Step 6: Final answer
    x = 138,728.76

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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.