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Finding the Fourth Proportional to 126,690.14, 174,830.85 and 69,328.85

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Solution

The fourth proportional to 126,690.14, 174,830.85 and 69,328.85 is: 95,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,690.14 : 174,830.85 = 69,328.85 : x
  2. Step 2: Convert to fraction form
    126,690.14/174,830.85 = 69,328.85/x
  3. Step 3: Cross multiply
    126,690.14x = 174,830.85 × 69,328.85
  4. Step 4: Simplify right side
    126,690.14x = 12,120,821,775.02
  5. Step 5: Solve for x
    x = 12,120,821,775.02/126,690.14
  6. Step 6: Final answer
    x = 95,672.97

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