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Finding the Fourth Proportional to 52,259.52, 78,388.92 and 21,094.32

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Solution

The fourth proportional to 52,259.52, 78,388.92 and 21,094.32 is: 31,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,259.52 : 78,388.92 = 21,094.32 : x
  2. Step 2: Convert to fraction form
    52,259.52/78,388.92 = 21,094.32/x
  3. Step 3: Cross multiply
    52,259.52x = 78,388.92 × 21,094.32
  4. Step 4: Simplify right side
    52,259.52x = 1,653,560,962.93
  5. Step 5: Solve for x
    x = 1,653,560,962.93/52,259.52
  6. Step 6: Final answer
    x = 31,641.33

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