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Finding the Fourth Proportional to 125,396.55, 188,147.60 and 78,051.24

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Solution

The fourth proportional to 125,396.55, 188,147.60 and 78,051.24 is: 117,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,396.55 : 188,147.60 = 78,051.24 : x
  2. Step 2: Convert to fraction form
    125,396.55/188,147.60 = 78,051.24/x
  3. Step 3: Cross multiply
    125,396.55x = 188,147.60 × 78,051.24
  4. Step 4: Simplify right side
    125,396.55x = 14,685,153,092.77
  5. Step 5: Solve for x
    x = 14,685,153,092.77/125,396.55
  6. Step 6: Final answer
    x = 117,109.71

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