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Finding the Fourth Proportional to 78,037.56, 107,692.02 and 42,227.96

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Solution

The fourth proportional to 78,037.56, 107,692.02 and 42,227.96 is: 58,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,037.56 : 107,692.02 = 42,227.96 : x
  2. Step 2: Convert to fraction form
    78,037.56/107,692.02 = 42,227.96/x
  3. Step 3: Cross multiply
    78,037.56x = 107,692.02 × 42,227.96
  4. Step 4: Simplify right side
    78,037.56x = 4,547,613,774.42
  5. Step 5: Solve for x
    x = 4,547,613,774.42/78,037.56
  6. Step 6: Final answer
    x = 58,274.68

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