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Finding the Fourth Proportional to 78,700.99, 117,987.15 and 36,607.33

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Solution

The fourth proportional to 78,700.99, 117,987.15 and 36,607.33 is: 54,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,700.99 : 117,987.15 = 36,607.33 : x
  2. Step 2: Convert to fraction form
    78,700.99/117,987.15 = 36,607.33/x
  3. Step 3: Cross multiply
    78,700.99x = 117,987.15 × 36,607.33
  4. Step 4: Simplify right side
    78,700.99x = 4,319,194,535.81
  5. Step 5: Solve for x
    x = 4,319,194,535.81/78,700.99
  6. Step 6: Final answer
    x = 54,881.07

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