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Finding the Fourth Proportional to 453,731.76, 680,699.16 and 138,213.54

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Solution

The fourth proportional to 453,731.76, 680,699.16 and 138,213.54 is: 207,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,731.76 : 680,699.16 = 138,213.54 : x
  2. Step 2: Convert to fraction form
    453,731.76/680,699.16 = 138,213.54/x
  3. Step 3: Cross multiply
    453,731.76x = 680,699.16 × 138,213.54
  4. Step 4: Simplify right side
    453,731.76x = 94,081,840,578.63
  5. Step 5: Solve for x
    x = 94,081,840,578.63/453,731.76
  6. Step 6: Final answer
    x = 207,351.23

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