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Finding the Fourth Proportional to 132,735.76, 183,175.36 and 73,119.76

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Solution

The fourth proportional to 132,735.76, 183,175.36 and 73,119.76 is: 100,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,735.76 : 183,175.36 = 73,119.76 : x
  2. Step 2: Convert to fraction form
    132,735.76/183,175.36 = 73,119.76/x
  3. Step 3: Cross multiply
    132,735.76x = 183,175.36 × 73,119.76
  4. Step 4: Simplify right side
    132,735.76x = 13,393,738,361.11
  5. Step 5: Solve for x
    x = 13,393,738,361.11/132,735.76
  6. Step 6: Final answer
    x = 100,905.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.