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Finding the Fourth Proportional to 115,718.40, 173,602.98 and 49,215.42

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Solution

The fourth proportional to 115,718.40, 173,602.98 and 49,215.42 is: 73,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,718.40 : 173,602.98 = 49,215.42 : x
  2. Step 2: Convert to fraction form
    115,718.40/173,602.98 = 49,215.42/x
  3. Step 3: Cross multiply
    115,718.40x = 173,602.98 × 49,215.42
  4. Step 4: Simplify right side
    115,718.40x = 8,543,943,573.95
  5. Step 5: Solve for x
    x = 8,543,943,573.95/115,718.40
  6. Step 6: Final answer
    x = 73,833.92

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