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Finding the Fourth Proportional to 345,059.38, 517,595.96 and 92,339.47

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Solution

The fourth proportional to 345,059.38, 517,595.96 and 92,339.47 is: 138,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,059.38 : 517,595.96 = 92,339.47 : x
  2. Step 2: Convert to fraction form
    345,059.38/517,595.96 = 92,339.47/x
  3. Step 3: Cross multiply
    345,059.38x = 517,595.96 × 92,339.47
  4. Step 4: Simplify right side
    345,059.38x = 47,794,536,620.54
  5. Step 5: Solve for x
    x = 47,794,536,620.54/345,059.38
  6. Step 6: Final answer
    x = 138,511.05

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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.