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Finding the Fourth Proportional to 89,703.36, 134,478.68 and 39,756.24

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Solution

The fourth proportional to 89,703.36, 134,478.68 and 39,756.24 is: 59,600.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,703.36 : 134,478.68 = 39,756.24 : x
  2. Step 2: Convert to fraction form
    89,703.36/134,478.68 = 39,756.24/x
  3. Step 3: Cross multiply
    89,703.36x = 134,478.68 × 39,756.24
  4. Step 4: Simplify right side
    89,703.36x = 5,346,366,676.96
  5. Step 5: Solve for x
    x = 5,346,366,676.96/89,703.36
  6. Step 6: Final answer
    x = 59,600.52

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