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Finding the Fourth Proportional to 163,361.30, 244,912.35 and 89,489.30

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Solution

The fourth proportional to 163,361.30, 244,912.35 and 89,489.30 is: 134,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,361.30 : 244,912.35 = 89,489.30 : x
  2. Step 2: Convert to fraction form
    163,361.30/244,912.35 = 89,489.30/x
  3. Step 3: Cross multiply
    163,361.30x = 244,912.35 × 89,489.30
  4. Step 4: Simplify right side
    163,361.30x = 21,917,034,762.86
  5. Step 5: Solve for x
    x = 21,917,034,762.86/163,361.30
  6. Step 6: Final answer
    x = 134,162.96

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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.