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Finding the Fourth Proportional to 124,485.10, 171,791.48 and 67,896.47

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Solution

The fourth proportional to 124,485.10, 171,791.48 and 67,896.47 is: 93,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,485.10 : 171,791.48 = 67,896.47 : x
  2. Step 2: Convert to fraction form
    124,485.10/171,791.48 = 67,896.47/x
  3. Step 3: Cross multiply
    124,485.10x = 171,791.48 × 67,896.47
  4. Step 4: Simplify right side
    124,485.10x = 11,664,035,667.30
  5. Step 5: Solve for x
    x = 11,664,035,667.30/124,485.10
  6. Step 6: Final answer
    x = 93,698.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.