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Finding the Fourth Proportional to 86,946.16, 130,419.24 and 45,383.44

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Solution

The fourth proportional to 86,946.16, 130,419.24 and 45,383.44 is: 68,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,946.16 : 130,419.24 = 45,383.44 : x
  2. Step 2: Convert to fraction form
    86,946.16/130,419.24 = 45,383.44/x
  3. Step 3: Cross multiply
    86,946.16x = 130,419.24 × 45,383.44
  4. Step 4: Simplify right side
    86,946.16x = 5,918,873,753.39
  5. Step 5: Solve for x
    x = 5,918,873,753.39/86,946.16
  6. Step 6: Final answer
    x = 68,075.16

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