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Finding the Fourth Proportional to 61,838.70, 92,648.70 and 52,434.60

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Solution

The fourth proportional to 61,838.70, 92,648.70 and 52,434.60 is: 78,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,838.70 : 92,648.70 = 52,434.60 : x
  2. Step 2: Convert to fraction form
    61,838.70/92,648.70 = 52,434.60/x
  3. Step 3: Cross multiply
    61,838.70x = 92,648.70 × 52,434.60
  4. Step 4: Simplify right side
    61,838.70x = 4,857,997,525.02
  5. Step 5: Solve for x
    x = 4,857,997,525.02/61,838.70
  6. Step 6: Final answer
    x = 78,559.18

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