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Finding the Fourth Proportional to 161,163.52, 241,662.23 and 72,340.90

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Solution

The fourth proportional to 161,163.52, 241,662.23 and 72,340.90 is: 108,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,163.52 : 241,662.23 = 72,340.90 : x
  2. Step 2: Convert to fraction form
    161,163.52/241,662.23 = 72,340.90/x
  3. Step 3: Cross multiply
    161,163.52x = 241,662.23 × 72,340.90
  4. Step 4: Simplify right side
    161,163.52x = 17,482,062,926.54
  5. Step 5: Solve for x
    x = 17,482,062,926.54/161,163.52
  6. Step 6: Final answer
    x = 108,474.07

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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.