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Finding the Fourth Proportional to 122,967.73, 184,477.52 and 39,855.25

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Solution

The fourth proportional to 122,967.73, 184,477.52 and 39,855.25 is: 59,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,967.73 : 184,477.52 = 39,855.25 : x
  2. Step 2: Convert to fraction form
    122,967.73/184,477.52 = 39,855.25/x
  3. Step 3: Cross multiply
    122,967.73x = 184,477.52 × 39,855.25
  4. Step 4: Simplify right side
    122,967.73x = 7,352,397,678.98
  5. Step 5: Solve for x
    x = 7,352,397,678.98/122,967.73
  6. Step 6: Final answer
    x = 59,791.28

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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.