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Finding the Fourth Proportional to 88,951.75, 133,436.94 and 28,984.89

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Solution

The fourth proportional to 88,951.75, 133,436.94 and 28,984.89 is: 43,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,951.75 : 133,436.94 = 28,984.89 : x
  2. Step 2: Convert to fraction form
    88,951.75/133,436.94 = 28,984.89/x
  3. Step 3: Cross multiply
    88,951.75x = 133,436.94 × 28,984.89
  4. Step 4: Simplify right side
    88,951.75x = 3,867,655,027.84
  5. Step 5: Solve for x
    x = 3,867,655,027.84/88,951.75
  6. Step 6: Final answer
    x = 43,480.37

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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.