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Finding the Fourth Proportional to 107,492.20, 160,931.10 and 66,020.20

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Solution

The fourth proportional to 107,492.20, 160,931.10 and 66,020.20 is: 98,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,492.20 : 160,931.10 = 66,020.20 : x
  2. Step 2: Convert to fraction form
    107,492.20/160,931.10 = 66,020.20/x
  3. Step 3: Cross multiply
    107,492.20x = 160,931.10 × 66,020.20
  4. Step 4: Simplify right side
    107,492.20x = 10,624,703,408.22
  5. Step 5: Solve for x
    x = 10,624,703,408.22/107,492.20
  6. Step 6: Final answer
    x = 98,841.62

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