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Finding the Fourth Proportional to 122,524.80, 183,791.88 and 38,292.72

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Solution

The fourth proportional to 122,524.80, 183,791.88 and 38,292.72 is: 57,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,524.80 : 183,791.88 = 38,292.72 : x
  2. Step 2: Convert to fraction form
    122,524.80/183,791.88 = 38,292.72/x
  3. Step 3: Cross multiply
    122,524.80x = 183,791.88 × 38,292.72
  4. Step 4: Simplify right side
    122,524.80x = 7,037,890,999.11
  5. Step 5: Solve for x
    x = 7,037,890,999.11/122,524.80
  6. Step 6: Final answer
    x = 57,440.54

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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.