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Finding the Fourth Proportional to 14,325,165.20, 21,487,747.80 and 11,490,813.20

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Solution

The fourth proportional to 14,325,165.20, 21,487,747.80 and 11,490,813.20 is: 17,236,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325,165.20 : 21,487,747.80 = 11,490,813.20 : x
  2. Step 2: Convert to fraction form
    14,325,165.20/21,487,747.80 = 11,490,813.20/x
  3. Step 3: Cross multiply
    14,325,165.20x = 21,487,747.80 × 11,490,813.20
  4. Step 4: Simplify right side
    14,325,165.20x = 246,911,696,058,510.94
  5. Step 5: Solve for x
    x = 246,911,696,058,510.94/14,325,165.20
  6. Step 6: Final answer
    x = 17,236,219.80

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