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Finding the Fourth Proportional to 159,361.03, 238,954.05 and 109,453.69

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Solution

The fourth proportional to 159,361.03, 238,954.05 and 109,453.69 is: 164,120.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,361.03 : 238,954.05 = 109,453.69 : x
  2. Step 2: Convert to fraction form
    159,361.03/238,954.05 = 109,453.69/x
  3. Step 3: Cross multiply
    159,361.03x = 238,954.05 × 109,453.69
  4. Step 4: Simplify right side
    159,361.03x = 26,154,402,512.94
  5. Step 5: Solve for x
    x = 26,154,402,512.94/159,361.03
  6. Step 6: Final answer
    x = 164,120.44

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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.