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Finding the Fourth Proportional to 85,394.81, 128,098.36 and 24,602.59

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Solution

The fourth proportional to 85,394.81, 128,098.36 and 24,602.59 is: 36,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,394.81 : 128,098.36 = 24,602.59 : x
  2. Step 2: Convert to fraction form
    85,394.81/128,098.36 = 24,602.59/x
  3. Step 3: Cross multiply
    85,394.81x = 128,098.36 × 24,602.59
  4. Step 4: Simplify right side
    85,394.81x = 3,151,550,901.08
  5. Step 5: Solve for x
    x = 3,151,550,901.08/85,394.81
  6. Step 6: Final answer
    x = 36,905.65

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