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Finding the Fourth Proportional to 107,935.80, 161,902.62 and 60,550.80

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Solution

The fourth proportional to 107,935.80, 161,902.62 and 60,550.80 is: 90,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,935.80 : 161,902.62 = 60,550.80 : x
  2. Step 2: Convert to fraction form
    107,935.80/161,902.62 = 60,550.80/x
  3. Step 3: Cross multiply
    107,935.80x = 161,902.62 × 60,550.80
  4. Step 4: Simplify right side
    107,935.80x = 9,803,333,163.10
  5. Step 5: Solve for x
    x = 9,803,333,163.10/107,935.80
  6. Step 6: Final answer
    x = 90,825.59

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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.