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Finding the Fourth Proportional to 78,522.35, 108,362.63 and 42,714.28

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Solution

The fourth proportional to 78,522.35, 108,362.63 and 42,714.28 is: 58,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,522.35 : 108,362.63 = 42,714.28 : x
  2. Step 2: Convert to fraction form
    78,522.35/108,362.63 = 42,714.28/x
  3. Step 3: Cross multiply
    78,522.35x = 108,362.63 × 42,714.28
  4. Step 4: Simplify right side
    78,522.35x = 4,628,631,719.36
  5. Step 5: Solve for x
    x = 4,628,631,719.36/78,522.35
  6. Step 6: Final answer
    x = 58,946.68

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