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Finding the Fourth Proportional to 107,159.91, 160,727.54 and 28,280.30

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Solution

The fourth proportional to 107,159.91, 160,727.54 and 28,280.30 is: 42,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,159.91 : 160,727.54 = 28,280.30 : x
  2. Step 2: Convert to fraction form
    107,159.91/160,727.54 = 28,280.30/x
  3. Step 3: Cross multiply
    107,159.91x = 160,727.54 × 28,280.30
  4. Step 4: Simplify right side
    107,159.91x = 4,545,422,104.42
  5. Step 5: Solve for x
    x = 4,545,422,104.42/107,159.91
  6. Step 6: Final answer
    x = 42,417.19

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