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Finding the Fourth Proportional to 83,126.61, 124,744.59 and 30,536.55

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Solution

The fourth proportional to 83,126.61, 124,744.59 and 30,536.55 is: 45,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,126.61 : 124,744.59 = 30,536.55 : x
  2. Step 2: Convert to fraction form
    83,126.61/124,744.59 = 30,536.55/x
  3. Step 3: Cross multiply
    83,126.61x = 124,744.59 × 30,536.55
  4. Step 4: Simplify right side
    83,126.61x = 3,809,269,409.76
  5. Step 5: Solve for x
    x = 3,809,269,409.76/83,126.61
  6. Step 6: Final answer
    x = 45,824.91

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