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Finding the Fourth Proportional to 186,889, 257,907.06 and 119,821

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Solution

The fourth proportional to 186,889, 257,907.06 and 119,821 is: 165,353.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,889 : 257,907.06 = 119,821 : x
  2. Step 2: Convert to fraction form
    186,889/257,907.06 = 119,821/x
  3. Step 3: Cross multiply
    186,889x = 257,907.06 × 119,821
  4. Step 4: Simplify right side
    186,889x = 30,902,681,836.26
  5. Step 5: Solve for x
    x = 30,902,681,836.26/186,889
  6. Step 6: Final answer
    x = 165,353.13

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