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Finding the Fourth Proportional to 204,030.40, 306,045.60 and 79,290.40

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Solution

The fourth proportional to 204,030.40, 306,045.60 and 79,290.40 is: 118,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,030.40 : 306,045.60 = 79,290.40 : x
  2. Step 2: Convert to fraction form
    204,030.40/306,045.60 = 79,290.40/x
  3. Step 3: Cross multiply
    204,030.40x = 306,045.60 × 79,290.40
  4. Step 4: Simplify right side
    204,030.40x = 24,266,478,042.24
  5. Step 5: Solve for x
    x = 24,266,478,042.24/204,030.40
  6. Step 6: Final answer
    x = 118,935.60

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