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Finding the Fourth Proportional to 340,198.44, 510,150.15 and 103,486.47

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Solution

The fourth proportional to 340,198.44, 510,150.15 and 103,486.47 is: 155,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,198.44 : 510,150.15 = 103,486.47 : x
  2. Step 2: Convert to fraction form
    340,198.44/510,150.15 = 103,486.47/x
  3. Step 3: Cross multiply
    340,198.44x = 510,150.15 × 103,486.47
  4. Step 4: Simplify right side
    340,198.44x = 52,793,638,193.47
  5. Step 5: Solve for x
    x = 52,793,638,193.47/340,198.44
  6. Step 6: Final answer
    x = 155,184.83

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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.