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Finding the Fourth Proportional to 105,062.34, 144,986.37 and 57,316.69

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Solution

The fourth proportional to 105,062.34, 144,986.37 and 57,316.69 is: 79,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,062.34 : 144,986.37 = 57,316.69 : x
  2. Step 2: Convert to fraction form
    105,062.34/144,986.37 = 57,316.69/x
  3. Step 3: Cross multiply
    105,062.34x = 144,986.37 × 57,316.69
  4. Step 4: Simplify right side
    105,062.34x = 8,310,138,823.52
  5. Step 5: Solve for x
    x = 8,310,138,823.52/105,062.34
  6. Step 6: Final answer
    x = 79,097.22

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