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Finding the Fourth Proportional to 113,376.80, 170,065.20 and 97,824.80

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Solution

The fourth proportional to 113,376.80, 170,065.20 and 97,824.80 is: 146,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,376.80 : 170,065.20 = 97,824.80 : x
  2. Step 2: Convert to fraction form
    113,376.80/170,065.20 = 97,824.80/x
  3. Step 3: Cross multiply
    113,376.80x = 170,065.20 × 97,824.80
  4. Step 4: Simplify right side
    113,376.80x = 16,636,594,176.96
  5. Step 5: Solve for x
    x = 16,636,594,176.96/113,376.80
  6. Step 6: Final answer
    x = 146,737.20

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