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Finding the Fourth Proportional to 125,164.91, 172,701.69 and 71,467.40

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Solution

The fourth proportional to 125,164.91, 172,701.69 and 71,467.40 is: 98,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,164.91 : 172,701.69 = 71,467.40 : x
  2. Step 2: Convert to fraction form
    125,164.91/172,701.69 = 71,467.40/x
  3. Step 3: Cross multiply
    125,164.91x = 172,701.69 × 71,467.40
  4. Step 4: Simplify right side
    125,164.91x = 12,342,540,759.91
  5. Step 5: Solve for x
    x = 12,342,540,759.91/125,164.91
  6. Step 6: Final answer
    x = 98,610.23

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