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Finding the Fourth Proportional to 453,711.72, 680,669.18 and 138,193.32

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Solution

The fourth proportional to 453,711.72, 680,669.18 and 138,193.32 is: 207,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,711.72 : 680,669.18 = 138,193.32 : x
  2. Step 2: Convert to fraction form
    453,711.72/680,669.18 = 138,193.32/x
  3. Step 3: Cross multiply
    453,711.72x = 680,669.18 × 138,193.32
  4. Step 4: Simplify right side
    453,711.72x = 94,063,933,805.88
  5. Step 5: Solve for x
    x = 94,063,933,805.88/453,711.72
  6. Step 6: Final answer
    x = 207,320.93

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