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Finding the Fourth Proportional to 92,041.34, 138,062.37 and 28,000.11

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Solution

The fourth proportional to 92,041.34, 138,062.37 and 28,000.11 is: 42,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,041.34 : 138,062.37 = 28,000.11 : x
  2. Step 2: Convert to fraction form
    92,041.34/138,062.37 = 28,000.11/x
  3. Step 3: Cross multiply
    92,041.34x = 138,062.37 × 28,000.11
  4. Step 4: Simplify right side
    92,041.34x = 3,865,761,546.86
  5. Step 5: Solve for x
    x = 3,865,761,546.86/92,041.34
  6. Step 6: Final answer
    x = 42,000.27

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