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Finding the Fourth Proportional to 85,109.12, 127,685.28 and 32,513.12

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Solution

The fourth proportional to 85,109.12, 127,685.28 and 32,513.12 is: 48,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,109.12 : 127,685.28 = 32,513.12 : x
  2. Step 2: Convert to fraction form
    85,109.12/127,685.28 = 32,513.12/x
  3. Step 3: Cross multiply
    85,109.12x = 127,685.28 × 32,513.12
  4. Step 4: Simplify right side
    85,109.12x = 4,151,446,830.87
  5. Step 5: Solve for x
    x = 4,151,446,830.87/85,109.12
  6. Step 6: Final answer
    x = 48,777.93

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