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Finding the Fourth Proportional to 177,708.40, 266,708.40 and 171,876.40

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Solution

The fourth proportional to 177,708.40, 266,708.40 and 171,876.40 is: 257,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,708.40 : 266,708.40 = 171,876.40 : x
  2. Step 2: Convert to fraction form
    177,708.40/266,708.40 = 171,876.40/x
  3. Step 3: Cross multiply
    177,708.40x = 266,708.40 × 171,876.40
  4. Step 4: Simplify right side
    177,708.40x = 45,840,879,641.76
  5. Step 5: Solve for x
    x = 45,840,879,641.76/177,708.40
  6. Step 6: Final answer
    x = 257,955.62

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