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Finding the Fourth Proportional to 170,882.88, 256,201.14 and 104,307.36

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Solution

The fourth proportional to 170,882.88, 256,201.14 and 104,307.36 is: 156,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,882.88 : 256,201.14 = 104,307.36 : x
  2. Step 2: Convert to fraction form
    170,882.88/256,201.14 = 104,307.36/x
  3. Step 3: Cross multiply
    170,882.88x = 256,201.14 × 104,307.36
  4. Step 4: Simplify right side
    170,882.88x = 26,723,664,542.39
  5. Step 5: Solve for x
    x = 26,723,664,542.39/170,882.88
  6. Step 6: Final answer
    x = 156,385.85

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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.