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Finding the Fourth Proportional to 134,978.43, 186,266.67 and 74,547.77

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Solution

The fourth proportional to 134,978.43, 186,266.67 and 74,547.77 is: 102,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,978.43 : 186,266.67 = 74,547.77 : x
  2. Step 2: Convert to fraction form
    134,978.43/186,266.67 = 74,547.77/x
  3. Step 3: Cross multiply
    134,978.43x = 186,266.67 × 74,547.77
  4. Step 4: Simplify right side
    134,978.43x = 13,885,764,361.44
  5. Step 5: Solve for x
    x = 13,885,764,361.44/134,978.43
  6. Step 6: Final answer
    x = 102,873.95

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