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Finding the Fourth Proportional to 245,623.20, 368,521.20 and 120,880.80

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Solution

The fourth proportional to 245,623.20, 368,521.20 and 120,880.80 is: 181,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,623.20 : 368,521.20 = 120,880.80 : x
  2. Step 2: Convert to fraction form
    245,623.20/368,521.20 = 120,880.80/x
  3. Step 3: Cross multiply
    245,623.20x = 368,521.20 × 120,880.80
  4. Step 4: Simplify right side
    245,623.20x = 44,547,137,472.96
  5. Step 5: Solve for x
    x = 44,547,137,472.96/245,623.20
  6. Step 6: Final answer
    x = 181,363.72

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