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Finding the Fourth Proportional to 122,476.69, 183,667.80 and 47,586.97

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Solution

The fourth proportional to 122,476.69, 183,667.80 and 47,586.97 is: 71,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,476.69 : 183,667.80 = 47,586.97 : x
  2. Step 2: Convert to fraction form
    122,476.69/183,667.80 = 47,586.97/x
  3. Step 3: Cross multiply
    122,476.69x = 183,667.80 × 47,586.97
  4. Step 4: Simplify right side
    122,476.69x = 8,740,193,850.63
  5. Step 5: Solve for x
    x = 8,740,193,850.63/122,476.69
  6. Step 6: Final answer
    x = 71,362.10

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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.