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Finding the Fourth Proportional to 61,867.70, 92,801.55 and 47,105.45

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Solution

The fourth proportional to 61,867.70, 92,801.55 and 47,105.45 is: 70,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,867.70 : 92,801.55 = 47,105.45 : x
  2. Step 2: Convert to fraction form
    61,867.70/92,801.55 = 47,105.45/x
  3. Step 3: Cross multiply
    61,867.70x = 92,801.55 × 47,105.45
  4. Step 4: Simplify right side
    61,867.70x = 4,371,458,773.45
  5. Step 5: Solve for x
    x = 4,371,458,773.45/61,867.70
  6. Step 6: Final answer
    x = 70,658.18

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