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Finding the Fourth Proportional to 145,511.60, 218,267.40 and 98,855.60

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Solution

The fourth proportional to 145,511.60, 218,267.40 and 98,855.60 is: 148,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,511.60 : 218,267.40 = 98,855.60 : x
  2. Step 2: Convert to fraction form
    145,511.60/218,267.40 = 98,855.60/x
  3. Step 3: Cross multiply
    145,511.60x = 218,267.40 × 98,855.60
  4. Step 4: Simplify right side
    145,511.60x = 21,576,954,787.44
  5. Step 5: Solve for x
    x = 21,576,954,787.44/145,511.60
  6. Step 6: Final answer
    x = 148,283.40

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