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Finding the Fourth Proportional to 152,890.65, 210,994.42 and 84,908.75

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Solution

The fourth proportional to 152,890.65, 210,994.42 and 84,908.75 is: 117,177.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,890.65 : 210,994.42 = 84,908.75 : x
  2. Step 2: Convert to fraction form
    152,890.65/210,994.42 = 84,908.75/x
  3. Step 3: Cross multiply
    152,890.65x = 210,994.42 × 84,908.75
  4. Step 4: Simplify right side
    152,890.65x = 17,915,273,192.90
  5. Step 5: Solve for x
    x = 17,915,273,192.90/152,890.65
  6. Step 6: Final answer
    x = 117,177.04

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