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Finding the Fourth Proportional to 70,246.98, 105,370.56 and 28,693.98

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Solution

The fourth proportional to 70,246.98, 105,370.56 and 28,693.98 is: 43,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,246.98 : 105,370.56 = 28,693.98 : x
  2. Step 2: Convert to fraction form
    70,246.98/105,370.56 = 28,693.98/x
  3. Step 3: Cross multiply
    70,246.98x = 105,370.56 × 28,693.98
  4. Step 4: Simplify right side
    70,246.98x = 3,023,500,741.23
  5. Step 5: Solve for x
    x = 3,023,500,741.23/70,246.98
  6. Step 6: Final answer
    x = 43,041.01

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