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Finding the Fourth Proportional to 186,233.72, 257,008.32 and 105,664.64

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Solution

The fourth proportional to 186,233.72, 257,008.32 and 105,664.64 is: 145,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,233.72 : 257,008.32 = 105,664.64 : x
  2. Step 2: Convert to fraction form
    186,233.72/257,008.32 = 105,664.64/x
  3. Step 3: Cross multiply
    186,233.72x = 257,008.32 × 105,664.64
  4. Step 4: Simplify right side
    186,233.72x = 27,156,691,609.80
  5. Step 5: Solve for x
    x = 27,156,691,609.80/186,233.72
  6. Step 6: Final answer
    x = 145,820.49

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