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Finding the Fourth Proportional to 78,758.61, 118,004.27 and 47,528.25

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Solution

The fourth proportional to 78,758.61, 118,004.27 and 47,528.25 is: 71,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,758.61 : 118,004.27 = 47,528.25 : x
  2. Step 2: Convert to fraction form
    78,758.61/118,004.27 = 47,528.25/x
  3. Step 3: Cross multiply
    78,758.61x = 118,004.27 × 47,528.25
  4. Step 4: Simplify right side
    78,758.61x = 5,608,536,207.99
  5. Step 5: Solve for x
    x = 5,608,536,207.99/78,758.61
  6. Step 6: Final answer
    x = 71,211.72

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