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Finding the Fourth Proportional to 61,175.70, 91,763.55 and 34,931.70

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Solution

The fourth proportional to 61,175.70, 91,763.55 and 34,931.70 is: 52,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,175.70 : 91,763.55 = 34,931.70 : x
  2. Step 2: Convert to fraction form
    61,175.70/91,763.55 = 34,931.70/x
  3. Step 3: Cross multiply
    61,175.70x = 91,763.55 × 34,931.70
  4. Step 4: Simplify right side
    61,175.70x = 3,205,456,799.54
  5. Step 5: Solve for x
    x = 3,205,456,799.54/61,175.70
  6. Step 6: Final answer
    x = 52,397.55

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