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Finding the Fourth Proportional to 107,368.40, 160,967.88 and 67,842.20

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Solution

The fourth proportional to 107,368.40, 160,967.88 and 67,842.20 is: 101,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,368.40 : 160,967.88 = 67,842.20 : x
  2. Step 2: Convert to fraction form
    107,368.40/160,967.88 = 67,842.20/x
  3. Step 3: Cross multiply
    107,368.40x = 160,967.88 × 67,842.20
  4. Step 4: Simplify right side
    107,368.40x = 10,920,415,108.54
  5. Step 5: Solve for x
    x = 10,920,415,108.54/107,368.40
  6. Step 6: Final answer
    x = 101,709.77

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