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Finding the Fourth Proportional to 453,845.94, 680,842.80 and 134,030.16

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Solution

The fourth proportional to 453,845.94, 680,842.80 and 134,030.16 is: 201,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,845.94 : 680,842.80 = 134,030.16 : x
  2. Step 2: Convert to fraction form
    453,845.94/680,842.80 = 134,030.16/x
  3. Step 3: Cross multiply
    453,845.94x = 680,842.80 × 134,030.16
  4. Step 4: Simplify right side
    453,845.94x = 91,253,469,418.85
  5. Step 5: Solve for x
    x = 91,253,469,418.85/453,845.94
  6. Step 6: Final answer
    x = 201,067.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.