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Finding the Fourth Proportional to 160,312.15, 221,229.79 and 88,690.65

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Solution

The fourth proportional to 160,312.15, 221,229.79 and 88,690.65 is: 122,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,312.15 : 221,229.79 = 88,690.65 : x
  2. Step 2: Convert to fraction form
    160,312.15/221,229.79 = 88,690.65/x
  3. Step 3: Cross multiply
    160,312.15x = 221,229.79 × 88,690.65
  4. Step 4: Simplify right side
    160,312.15x = 19,621,013,874.46
  5. Step 5: Solve for x
    x = 19,621,013,874.46/160,312.15
  6. Step 6: Final answer
    x = 122,392.56

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