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Finding the Fourth Proportional to 174,232.56, 261,361.80 and 89,940.09

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Solution

The fourth proportional to 174,232.56, 261,361.80 and 89,940.09 is: 134,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,232.56 : 261,361.80 = 89,940.09 : x
  2. Step 2: Convert to fraction form
    174,232.56/261,361.80 = 89,940.09/x
  3. Step 3: Cross multiply
    174,232.56x = 261,361.80 × 89,940.09
  4. Step 4: Simplify right side
    174,232.56x = 23,506,903,814.56
  5. Step 5: Solve for x
    x = 23,506,903,814.56/174,232.56
  6. Step 6: Final answer
    x = 134,916.83

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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.