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Finding the Fourth Proportional to 95,985.40, 143,978.10 and 90,801.40

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Solution

The fourth proportional to 95,985.40, 143,978.10 and 90,801.40 is: 136,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,985.40 : 143,978.10 = 90,801.40 : x
  2. Step 2: Convert to fraction form
    95,985.40/143,978.10 = 90,801.40/x
  3. Step 3: Cross multiply
    95,985.40x = 143,978.10 × 90,801.40
  4. Step 4: Simplify right side
    95,985.40x = 13,073,413,049.34
  5. Step 5: Solve for x
    x = 13,073,413,049.34/95,985.40
  6. Step 6: Final answer
    x = 136,202.10

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