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Finding the Fourth Proportional to 228,497.17, 342,815.82 and 102,243.70

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Solution

The fourth proportional to 228,497.17, 342,815.82 and 102,243.70 is: 153,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,497.17 : 342,815.82 = 102,243.70 : x
  2. Step 2: Convert to fraction form
    228,497.17/342,815.82 = 102,243.70/x
  3. Step 3: Cross multiply
    228,497.17x = 342,815.82 × 102,243.70
  4. Step 4: Simplify right side
    228,497.17x = 35,050,757,855.33
  5. Step 5: Solve for x
    x = 35,050,757,855.33/228,497.17
  6. Step 6: Final answer
    x = 153,396.90

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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.