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Finding the Fourth Proportional to 164,511.21, 227,025.54 and 89,059.71

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Solution

The fourth proportional to 164,511.21, 227,025.54 and 89,059.71 is: 122,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,511.21 : 227,025.54 = 89,059.71 : x
  2. Step 2: Convert to fraction form
    164,511.21/227,025.54 = 89,059.71/x
  3. Step 3: Cross multiply
    164,511.21x = 227,025.54 × 89,059.71
  4. Step 4: Simplify right side
    164,511.21x = 20,218,827,619.87
  5. Step 5: Solve for x
    x = 20,218,827,619.87/164,511.21
  6. Step 6: Final answer
    x = 122,902.43

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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.