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Finding the Fourth Proportional to 125,147.72, 172,702.47 and 67,785.62

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Solution

The fourth proportional to 125,147.72, 172,702.47 and 67,785.62 is: 93,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,147.72 : 172,702.47 = 67,785.62 : x
  2. Step 2: Convert to fraction form
    125,147.72/172,702.47 = 67,785.62/x
  3. Step 3: Cross multiply
    125,147.72x = 172,702.47 × 67,785.62
  4. Step 4: Simplify right side
    125,147.72x = 11,706,744,004.48
  5. Step 5: Solve for x
    x = 11,706,744,004.48/125,147.72
  6. Step 6: Final answer
    x = 93,543.41

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