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Finding the Fourth Proportional to 150,959.52, 208,371.96 and 103,195.44

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Solution

The fourth proportional to 150,959.52, 208,371.96 and 103,195.44 is: 142,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,959.52 : 208,371.96 = 103,195.44 : x
  2. Step 2: Convert to fraction form
    150,959.52/208,371.96 = 103,195.44/x
  3. Step 3: Cross multiply
    150,959.52x = 208,371.96 × 103,195.44
  4. Step 4: Simplify right side
    150,959.52x = 21,503,036,095.86
  5. Step 5: Solve for x
    x = 21,503,036,095.86/150,959.52
  6. Step 6: Final answer
    x = 142,442.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.