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Finding the Fourth Proportional to 170,989.40, 256,176.90 and 146,413.40

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Solution

The fourth proportional to 170,989.40, 256,176.90 and 146,413.40 is: 219,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,989.40 : 256,176.90 = 146,413.40 : x
  2. Step 2: Convert to fraction form
    170,989.40/256,176.90 = 146,413.40/x
  3. Step 3: Cross multiply
    170,989.40x = 256,176.90 × 146,413.40
  4. Step 4: Simplify right side
    170,989.40x = 37,507,730,930.46
  5. Step 5: Solve for x
    x = 37,507,730,930.46/170,989.40
  6. Step 6: Final answer
    x = 219,357.05

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