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Finding the Fourth Proportional to 325,882.98, 488,731.17 and 112,595.11

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Solution

The fourth proportional to 325,882.98, 488,731.17 and 112,595.11 is: 168,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,882.98 : 488,731.17 = 112,595.11 : x
  2. Step 2: Convert to fraction form
    325,882.98/488,731.17 = 112,595.11/x
  3. Step 3: Cross multiply
    325,882.98x = 488,731.17 × 112,595.11
  4. Step 4: Simplify right side
    325,882.98x = 55,028,739,846.58
  5. Step 5: Solve for x
    x = 55,028,739,846.58/325,882.98
  6. Step 6: Final answer
    x = 168,860.43

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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.