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Finding the Fourth Proportional to 125,289.08, 172,903.92 and 68,702.48

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Solution

The fourth proportional to 125,289.08, 172,903.92 and 68,702.48 is: 94,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,289.08 : 172,903.92 = 68,702.48 : x
  2. Step 2: Convert to fraction form
    125,289.08/172,903.92 = 68,702.48/x
  3. Step 3: Cross multiply
    125,289.08x = 172,903.92 × 68,702.48
  4. Step 4: Simplify right side
    125,289.08x = 11,878,928,105.72
  5. Step 5: Solve for x
    x = 11,878,928,105.72/125,289.08
  6. Step 6: Final answer
    x = 94,812.16

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