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Finding the Fourth Proportional to 58,648.44, 80,934.44 and 31,790.32

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Solution

The fourth proportional to 58,648.44, 80,934.44 and 31,790.32 is: 43,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,648.44 : 80,934.44 = 31,790.32 : x
  2. Step 2: Convert to fraction form
    58,648.44/80,934.44 = 31,790.32/x
  3. Step 3: Cross multiply
    58,648.44x = 80,934.44 × 31,790.32
  4. Step 4: Simplify right side
    58,648.44x = 2,572,931,746.62
  5. Step 5: Solve for x
    x = 2,572,931,746.62/58,648.44
  6. Step 6: Final answer
    x = 43,870.42

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