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Finding the Fourth Proportional to 155,534.45, 233,201.23 and 85,394.93

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Solution

The fourth proportional to 155,534.45, 233,201.23 and 85,394.93 is: 128,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,534.45 : 233,201.23 = 85,394.93 : x
  2. Step 2: Convert to fraction form
    155,534.45/233,201.23 = 85,394.93/x
  3. Step 3: Cross multiply
    155,534.45x = 233,201.23 × 85,394.93
  4. Step 4: Simplify right side
    155,534.45x = 19,914,202,711.76
  5. Step 5: Solve for x
    x = 19,914,202,711.76/155,534.45
  6. Step 6: Final answer
    x = 128,037.25

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