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Finding the Fourth Proportional to 354,978,826.20, 532,216,296.90 and 136,544,765.40

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Solution

The fourth proportional to 354,978,826.20, 532,216,296.90 and 136,544,765.40 is: 204,720,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,978,826.20 : 532,216,296.90 = 136,544,765.40 : x
  2. Step 2: Convert to fraction form
    354,978,826.20/532,216,296.90 = 136,544,765.40/x
  3. Step 3: Cross multiply
    354,978,826.20x = 532,216,296.90 × 136,544,765.40
  4. Step 4: Simplify right side
    354,978,826.20x = 72,671,349,402,267,248
  5. Step 5: Solve for x
    x = 72,671,349,402,267,248/354,978,826.20
  6. Step 6: Final answer
    x = 204,720,236.92

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