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Finding the Fourth Proportional to 123,329.19, 170,194.71 and 66,740.55

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Solution

The fourth proportional to 123,329.19, 170,194.71 and 66,740.55 is: 92,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,329.19 : 170,194.71 = 66,740.55 : x
  2. Step 2: Convert to fraction form
    123,329.19/170,194.71 = 66,740.55/x
  3. Step 3: Cross multiply
    123,329.19x = 170,194.71 × 66,740.55
  4. Step 4: Simplify right side
    123,329.19x = 11,358,888,552.49
  5. Step 5: Solve for x
    x = 11,358,888,552.49/123,329.19
  6. Step 6: Final answer
    x = 92,102.19

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