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Finding the Fourth Proportional to 140,011.72, 210,017.14 and 34,830.70

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Solution

The fourth proportional to 140,011.72, 210,017.14 and 34,830.70 is: 52,245.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,011.72 : 210,017.14 = 34,830.70 : x
  2. Step 2: Convert to fraction form
    140,011.72/210,017.14 = 34,830.70/x
  3. Step 3: Cross multiply
    140,011.72x = 210,017.14 × 34,830.70
  4. Step 4: Simplify right side
    140,011.72x = 7,315,043,998.20
  5. Step 5: Solve for x
    x = 7,315,043,998.20/140,011.72
  6. Step 6: Final answer
    x = 52,245.94

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