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Finding the Fourth Proportional to 124,770.44, 172,213.80 and 71,087.12

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Solution

The fourth proportional to 124,770.44, 172,213.80 and 71,087.12 is: 98,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,770.44 : 172,213.80 = 71,087.12 : x
  2. Step 2: Convert to fraction form
    124,770.44/172,213.80 = 71,087.12/x
  3. Step 3: Cross multiply
    124,770.44x = 172,213.80 × 71,087.12
  4. Step 4: Simplify right side
    124,770.44x = 12,242,182,205.19
  5. Step 5: Solve for x
    x = 12,242,182,205.19/124,770.44
  6. Step 6: Final answer
    x = 98,117.65

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