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Finding the Fourth Proportional to 101,959.92, 140,700.12 and 56,641.08

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Solution

The fourth proportional to 101,959.92, 140,700.12 and 56,641.08 is: 78,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,959.92 : 140,700.12 = 56,641.08 : x
  2. Step 2: Convert to fraction form
    101,959.92/140,700.12 = 56,641.08/x
  3. Step 3: Cross multiply
    101,959.92x = 140,700.12 × 56,641.08
  4. Step 4: Simplify right side
    101,959.92x = 7,969,406,752.93
  5. Step 5: Solve for x
    x = 7,969,406,752.93/101,959.92
  6. Step 6: Final answer
    x = 78,162.15

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