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Finding the Fourth Proportional to 228,059.89, 314,772.61 and 132,621.64

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Solution

The fourth proportional to 228,059.89, 314,772.61 and 132,621.64 is: 183,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,059.89 : 314,772.61 = 132,621.64 : x
  2. Step 2: Convert to fraction form
    228,059.89/314,772.61 = 132,621.64/x
  3. Step 3: Cross multiply
    228,059.89x = 314,772.61 × 132,621.64
  4. Step 4: Simplify right side
    228,059.89x = 41,745,659,765.28
  5. Step 5: Solve for x
    x = 41,745,659,765.28/228,059.89
  6. Step 6: Final answer
    x = 183,046.92

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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.