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Finding the Fourth Proportional to 491,169.02, 736,753.56 and 136,183.06

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Solution

The fourth proportional to 491,169.02, 736,753.56 and 136,183.06 is: 204,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,169.02 : 736,753.56 = 136,183.06 : x
  2. Step 2: Convert to fraction form
    491,169.02/736,753.56 = 136,183.06/x
  3. Step 3: Cross multiply
    491,169.02x = 736,753.56 × 136,183.06
  4. Step 4: Simplify right side
    491,169.02x = 100,333,354,266.69
  5. Step 5: Solve for x
    x = 100,333,354,266.69/491,169.02
  6. Step 6: Final answer
    x = 204,274.60

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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.