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Finding the Fourth Proportional to 187,061.90, 280,634.31 and 53,931.76

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Solution

The fourth proportional to 187,061.90, 280,634.31 and 53,931.76 is: 80,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,061.90 : 280,634.31 = 53,931.76 : x
  2. Step 2: Convert to fraction form
    187,061.90/280,634.31 = 53,931.76/x
  3. Step 3: Cross multiply
    187,061.90x = 280,634.31 × 53,931.76
  4. Step 4: Simplify right side
    187,061.90x = 15,135,101,985.03
  5. Step 5: Solve for x
    x = 15,135,101,985.03/187,061.90
  6. Step 6: Final answer
    x = 80,909.59

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