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Finding the Fourth Proportional to 100,617.22, 138,842.16 and 60,323.50

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Solution

The fourth proportional to 100,617.22, 138,842.16 and 60,323.50 is: 83,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,617.22 : 138,842.16 = 60,323.50 : x
  2. Step 2: Convert to fraction form
    100,617.22/138,842.16 = 60,323.50/x
  3. Step 3: Cross multiply
    100,617.22x = 138,842.16 × 60,323.50
  4. Step 4: Simplify right side
    100,617.22x = 8,375,445,038.76
  5. Step 5: Solve for x
    x = 8,375,445,038.76/100,617.22
  6. Step 6: Final answer
    x = 83,240.67

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