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Finding the Fourth Proportional to 156,796.46, 235,194.67 and 68,048

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Solution

The fourth proportional to 156,796.46, 235,194.67 and 68,048 is: 102,071.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,796.46 : 235,194.67 = 68,048 : x
  2. Step 2: Convert to fraction form
    156,796.46/235,194.67 = 68,048/x
  3. Step 3: Cross multiply
    156,796.46x = 235,194.67 × 68,048
  4. Step 4: Simplify right side
    156,796.46x = 16,004,526,904.16
  5. Step 5: Solve for x
    x = 16,004,526,904.16/156,796.46
  6. Step 6: Final answer
    x = 102,071.99

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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.