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Finding the Fourth Proportional to 87,020, 130,530.12 and 37,772

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Solution

The fourth proportional to 87,020, 130,530.12 and 37,772 is: 56,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,020 : 130,530.12 = 37,772 : x
  2. Step 2: Convert to fraction form
    87,020/130,530.12 = 37,772/x
  3. Step 3: Cross multiply
    87,020x = 130,530.12 × 37,772
  4. Step 4: Simplify right side
    87,020x = 4,930,383,692.64
  5. Step 5: Solve for x
    x = 4,930,383,692.64/87,020
  6. Step 6: Final answer
    x = 56,658.05

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