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Finding the Fourth Proportional to 58,803.18, 81,148.96 and 31,945.90

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Solution

The fourth proportional to 58,803.18, 81,148.96 and 31,945.90 is: 44,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,803.18 : 81,148.96 = 31,945.90 : x
  2. Step 2: Convert to fraction form
    58,803.18/81,148.96 = 31,945.90/x
  3. Step 3: Cross multiply
    58,803.18x = 81,148.96 × 31,945.90
  4. Step 4: Simplify right side
    58,803.18x = 2,592,376,561.26
  5. Step 5: Solve for x
    x = 2,592,376,561.26/58,803.18
  6. Step 6: Final answer
    x = 44,085.65

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