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Finding the Fourth Proportional to 453,845.66, 680,842.38 and 134,029.88

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Solution

The fourth proportional to 453,845.66, 680,842.38 and 134,029.88 is: 201,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,845.66 : 680,842.38 = 134,029.88 : x
  2. Step 2: Convert to fraction form
    453,845.66/680,842.38 = 134,029.88/x
  3. Step 3: Cross multiply
    453,845.66x = 680,842.38 × 134,029.88
  4. Step 4: Simplify right side
    453,845.66x = 91,253,219,086.10
  5. Step 5: Solve for x
    x = 91,253,219,086.10/453,845.66
  6. Step 6: Final answer
    x = 201,066.64

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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.