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Finding the Fourth Proportional to 68,528, 102,239.16 and 61,048.46

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Solution

The fourth proportional to 68,528, 102,239.16 and 61,048.46 is: 91,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,528 : 102,239.16 = 61,048.46 : x
  2. Step 2: Convert to fraction form
    68,528/102,239.16 = 61,048.46/x
  3. Step 3: Cross multiply
    68,528x = 102,239.16 × 61,048.46
  4. Step 4: Simplify right side
    68,528x = 6,241,542,964.45
  5. Step 5: Solve for x
    x = 6,241,542,964.45/68,528
  6. Step 6: Final answer
    x = 91,080.19

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