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Finding the Fourth Proportional to 491,169.47, 736,754.22 and 136,183.50

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Solution

The fourth proportional to 491,169.47, 736,754.22 and 136,183.50 is: 204,275.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,169.47 : 736,754.22 = 136,183.50 : x
  2. Step 2: Convert to fraction form
    491,169.47/736,754.22 = 136,183.50/x
  3. Step 3: Cross multiply
    491,169.47x = 736,754.22 × 136,183.50
  4. Step 4: Simplify right side
    491,169.47x = 100,333,768,319.37
  5. Step 5: Solve for x
    x = 100,333,768,319.37/491,169.47
  6. Step 6: Final answer
    x = 204,275.26

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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.