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Finding the Fourth Proportional to 160,682.67, 221,738.31 and 92,699.79

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Solution

The fourth proportional to 160,682.67, 221,738.31 and 92,699.79 is: 127,923.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,682.67 : 221,738.31 = 92,699.79 : x
  2. Step 2: Convert to fraction form
    160,682.67/221,738.31 = 92,699.79/x
  3. Step 3: Cross multiply
    160,682.67x = 221,738.31 × 92,699.79
  4. Step 4: Simplify right side
    160,682.67x = 20,555,094,771.95
  5. Step 5: Solve for x
    x = 20,555,094,771.95/160,682.67
  6. Step 6: Final answer
    x = 127,923.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.