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Finding the Fourth Proportional to 91,493.74, 137,287.59 and 69,299.74

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Solution

The fourth proportional to 91,493.74, 137,287.59 and 69,299.74 is: 103,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,493.74 : 137,287.59 = 69,299.74 : x
  2. Step 2: Convert to fraction form
    91,493.74/137,287.59 = 69,299.74/x
  3. Step 3: Cross multiply
    91,493.74x = 137,287.59 × 69,299.74
  4. Step 4: Simplify right side
    91,493.74x = 9,513,994,292.23
  5. Step 5: Solve for x
    x = 9,513,994,292.23/91,493.74
  6. Step 6: Final answer
    x = 103,985.19

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