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Finding the Fourth Proportional to 245,856,671.20, 368,803,669.20 and 73,320,018.40

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Solution

The fourth proportional to 245,856,671.20, 368,803,669.20 and 73,320,018.40 is: 109,985,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,856,671.20 : 368,803,669.20 = 73,320,018.40 : x
  2. Step 2: Convert to fraction form
    245,856,671.20/368,803,669.20 = 73,320,018.40/x
  3. Step 3: Cross multiply
    245,856,671.20x = 368,803,669.20 × 73,320,018.40
  4. Step 4: Simplify right side
    245,856,671.20x = 27,040,691,811,731,516
  5. Step 5: Solve for x
    x = 27,040,691,811,731,516/245,856,671.20
  6. Step 6: Final answer
    x = 109,985,593.15

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