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Finding the Fourth Proportional to 186,538.04, 257,415 and 101,653.28

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Solution

The fourth proportional to 186,538.04, 257,415 and 101,653.28 is: 140,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,538.04 : 257,415 = 101,653.28 : x
  2. Step 2: Convert to fraction form
    186,538.04/257,415 = 101,653.28/x
  3. Step 3: Cross multiply
    186,538.04x = 257,415 × 101,653.28
  4. Step 4: Simplify right side
    186,538.04x = 26,167,079,071.20
  5. Step 5: Solve for x
    x = 26,167,079,071.20/186,538.04
  6. Step 6: Final answer
    x = 140,277.44

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