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Finding the Fourth Proportional to 163,342.70, 244,685.99 and 74,473.96

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Solution

The fourth proportional to 163,342.70, 244,685.99 and 74,473.96 is: 111,561.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,342.70 : 244,685.99 = 74,473.96 : x
  2. Step 2: Convert to fraction form
    163,342.70/244,685.99 = 74,473.96/x
  3. Step 3: Cross multiply
    163,342.70x = 244,685.99 × 74,473.96
  4. Step 4: Simplify right side
    163,342.70x = 18,222,733,408.39
  5. Step 5: Solve for x
    x = 18,222,733,408.39/163,342.70
  6. Step 6: Final answer
    x = 111,561.36

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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.