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Finding the Fourth Proportional to 102,155.24, 152,905.14 and 54,651.51

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Solution

The fourth proportional to 102,155.24, 152,905.14 and 54,651.51 is: 81,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155.24 : 152,905.14 = 54,651.51 : x
  2. Step 2: Convert to fraction form
    102,155.24/152,905.14 = 54,651.51/x
  3. Step 3: Cross multiply
    102,155.24x = 152,905.14 × 54,651.51
  4. Step 4: Simplify right side
    102,155.24x = 8,356,496,787.76
  5. Step 5: Solve for x
    x = 8,356,496,787.76/102,155.24
  6. Step 6: Final answer
    x = 81,801.94

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