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Finding the Fourth Proportional to 83,174.80, 124,877.40 and 65,664.40

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Solution

The fourth proportional to 83,174.80, 124,877.40 and 65,664.40 is: 98,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,174.80 : 124,877.40 = 65,664.40 : x
  2. Step 2: Convert to fraction form
    83,174.80/124,877.40 = 65,664.40/x
  3. Step 3: Cross multiply
    83,174.80x = 124,877.40 × 65,664.40
  4. Step 4: Simplify right side
    83,174.80x = 8,199,999,544.56
  5. Step 5: Solve for x
    x = 8,199,999,544.56/83,174.80
  6. Step 6: Final answer
    x = 98,587.55

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