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Finding the Fourth Proportional to 105,660.72, 158,542.68 and 46,488.96

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Solution

The fourth proportional to 105,660.72, 158,542.68 and 46,488.96 is: 69,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,660.72 : 158,542.68 = 46,488.96 : x
  2. Step 2: Convert to fraction form
    105,660.72/158,542.68 = 46,488.96/x
  3. Step 3: Cross multiply
    105,660.72x = 158,542.68 × 46,488.96
  4. Step 4: Simplify right side
    105,660.72x = 7,370,484,308.81
  5. Step 5: Solve for x
    x = 7,370,484,308.81/105,660.72
  6. Step 6: Final answer
    x = 69,756.14

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