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Finding the Fourth Proportional to 368,623.80, 553,009.54 and 115,967.88

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Solution

The fourth proportional to 368,623.80, 553,009.54 and 115,967.88 is: 173,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,623.80 : 553,009.54 = 115,967.88 : x
  2. Step 2: Convert to fraction form
    368,623.80/553,009.54 = 115,967.88/x
  3. Step 3: Cross multiply
    368,623.80x = 553,009.54 × 115,967.88
  4. Step 4: Simplify right side
    368,623.80x = 64,131,343,973.58
  5. Step 5: Solve for x
    x = 64,131,343,973.58/368,623.80
  6. Step 6: Final answer
    x = 173,975.05

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