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Finding the Fourth Proportional to 144,951.09, 217,427.04 and 45,114.54

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Solution

The fourth proportional to 144,951.09, 217,427.04 and 45,114.54 is: 67,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,951.09 : 217,427.04 = 45,114.54 : x
  2. Step 2: Convert to fraction form
    144,951.09/217,427.04 = 45,114.54/x
  3. Step 3: Cross multiply
    144,951.09x = 217,427.04 × 45,114.54
  4. Step 4: Simplify right side
    144,951.09x = 9,809,120,893.16
  5. Step 5: Solve for x
    x = 9,809,120,893.16/144,951.09
  6. Step 6: Final answer
    x = 67,671.94

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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.