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Finding the Fourth Proportional to 109,920.60, 164,880.90 and 97,673.40

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Solution

The fourth proportional to 109,920.60, 164,880.90 and 97,673.40 is: 146,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,920.60 : 164,880.90 = 97,673.40 : x
  2. Step 2: Convert to fraction form
    109,920.60/164,880.90 = 97,673.40/x
  3. Step 3: Cross multiply
    109,920.60x = 164,880.90 × 97,673.40
  4. Step 4: Simplify right side
    109,920.60x = 16,104,478,098.06
  5. Step 5: Solve for x
    x = 16,104,478,098.06/109,920.60
  6. Step 6: Final answer
    x = 146,510.10

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