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Finding the Fourth Proportional to 95,870.60, 143,805.90 and 86,539.40

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Solution

The fourth proportional to 95,870.60, 143,805.90 and 86,539.40 is: 129,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,870.60 : 143,805.90 = 86,539.40 : x
  2. Step 2: Convert to fraction form
    95,870.60/143,805.90 = 86,539.40/x
  3. Step 3: Cross multiply
    95,870.60x = 143,805.90 × 86,539.40
  4. Step 4: Simplify right side
    95,870.60x = 12,444,876,302.46
  5. Step 5: Solve for x
    x = 12,444,876,302.46/95,870.60
  6. Step 6: Final answer
    x = 129,809.10

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