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Finding the Fourth Proportional to 107,987.49, 162,030.47 and 55,433.91

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Solution

The fourth proportional to 107,987.49, 162,030.47 and 55,433.91 is: 83,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,987.49 : 162,030.47 = 55,433.91 : x
  2. Step 2: Convert to fraction form
    107,987.49/162,030.47 = 55,433.91/x
  3. Step 3: Cross multiply
    107,987.49x = 162,030.47 × 55,433.91
  4. Step 4: Simplify right side
    107,987.49x = 8,981,982,491.24
  5. Step 5: Solve for x
    x = 8,981,982,491.24/107,987.49
  6. Step 6: Final answer
    x = 83,176.14

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