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Finding the Fourth Proportional to 266,368.92, 399,419.62 and 88,813.08

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Solution

The fourth proportional to 266,368.92, 399,419.62 and 88,813.08 is: 133,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,368.92 : 399,419.62 = 88,813.08 : x
  2. Step 2: Convert to fraction form
    266,368.92/399,419.62 = 88,813.08/x
  3. Step 3: Cross multiply
    266,368.92x = 399,419.62 × 88,813.08
  4. Step 4: Simplify right side
    266,368.92x = 35,473,686,664.63
  5. Step 5: Solve for x
    x = 35,473,686,664.63/266,368.92
  6. Step 6: Final answer
    x = 133,175.02

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