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Finding the Fourth Proportional to 204,435.52, 306,653.04 and 56,691.52

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Solution

The fourth proportional to 204,435.52, 306,653.04 and 56,691.52 is: 85,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,435.52 : 306,653.04 = 56,691.52 : x
  2. Step 2: Convert to fraction form
    204,435.52/306,653.04 = 56,691.52/x
  3. Step 3: Cross multiply
    204,435.52x = 306,653.04 × 56,691.52
  4. Step 4: Simplify right side
    204,435.52x = 17,384,626,950.22
  5. Step 5: Solve for x
    x = 17,384,626,950.22/204,435.52
  6. Step 6: Final answer
    x = 85,037.21

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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.