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Finding the Fourth Proportional to 98,413.20, 147,619.80 and 58,496.40

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Solution

The fourth proportional to 98,413.20, 147,619.80 and 58,496.40 is: 87,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,413.20 : 147,619.80 = 58,496.40 : x
  2. Step 2: Convert to fraction form
    98,413.20/147,619.80 = 58,496.40/x
  3. Step 3: Cross multiply
    98,413.20x = 147,619.80 × 58,496.40
  4. Step 4: Simplify right side
    98,413.20x = 8,635,226,868.72
  5. Step 5: Solve for x
    x = 8,635,226,868.72/98,413.20
  6. Step 6: Final answer
    x = 87,744.60

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