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Finding the Fourth Proportional to 186,748.80, 280,080.48 and 53,628

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Solution

The fourth proportional to 186,748.80, 280,080.48 and 53,628 is: 80,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,748.80 : 280,080.48 = 53,628 : x
  2. Step 2: Convert to fraction form
    186,748.80/280,080.48 = 53,628/x
  3. Step 3: Cross multiply
    186,748.80x = 280,080.48 × 53,628
  4. Step 4: Simplify right side
    186,748.80x = 15,020,155,981.44
  5. Step 5: Solve for x
    x = 15,020,155,981.44/186,748.80
  6. Step 6: Final answer
    x = 80,429.73

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