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Finding the Fourth Proportional to 132,351.04, 198,483.36 and 43,583.68

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Solution

The fourth proportional to 132,351.04, 198,483.36 and 43,583.68 is: 65,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,351.04 : 198,483.36 = 43,583.68 : x
  2. Step 2: Convert to fraction form
    132,351.04/198,483.36 = 43,583.68/x
  3. Step 3: Cross multiply
    132,351.04x = 198,483.36 × 43,583.68
  4. Step 4: Simplify right side
    132,351.04x = 8,650,635,247.56
  5. Step 5: Solve for x
    x = 8,650,635,247.56/132,351.04
  6. Step 6: Final answer
    x = 65,361.29

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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.