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Finding the Fourth Proportional to 161,537.19, 242,409.47 and 78,385.83

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Solution

The fourth proportional to 161,537.19, 242,409.47 and 78,385.83 is: 117,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,537.19 : 242,409.47 = 78,385.83 : x
  2. Step 2: Convert to fraction form
    161,537.19/242,409.47 = 78,385.83/x
  3. Step 3: Cross multiply
    161,537.19x = 242,409.47 × 78,385.83
  4. Step 4: Simplify right side
    161,537.19x = 19,001,467,113.88
  5. Step 5: Solve for x
    x = 19,001,467,113.88/161,537.19
  6. Step 6: Final answer
    x = 117,629.06

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