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Finding the Fourth Proportional to 107,907.45, 161,907.81 and 57,929.16

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Solution

The fourth proportional to 107,907.45, 161,907.81 and 57,929.16 is: 86,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,907.45 : 161,907.81 = 57,929.16 : x
  2. Step 2: Convert to fraction form
    107,907.45/161,907.81 = 57,929.16/x
  3. Step 3: Cross multiply
    107,907.45x = 161,907.81 × 57,929.16
  4. Step 4: Simplify right side
    107,907.45x = 9,379,183,430.74
  5. Step 5: Solve for x
    x = 9,379,183,430.74/107,907.45
  6. Step 6: Final answer
    x = 86,918.78

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