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Finding the Fourth Proportional to 73,470.08, 100,032.32 and 73,236.80

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Solution

The fourth proportional to 73,470.08, 100,032.32 and 73,236.80 is: 99,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,470.08 : 100,032.32 = 73,236.80 : x
  2. Step 2: Convert to fraction form
    73,470.08/100,032.32 = 73,236.80/x
  3. Step 3: Cross multiply
    73,470.08x = 100,032.32 × 73,236.80
  4. Step 4: Simplify right side
    73,470.08x = 7,326,047,013.38
  5. Step 5: Solve for x
    x = 7,326,047,013.38/73,470.08
  6. Step 6: Final answer
    x = 99,714.70

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