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Finding the Fourth Proportional to 357,404.82, 535,949.77 and 167,919.04

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Solution

The fourth proportional to 357,404.82, 535,949.77 and 167,919.04 is: 251,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,404.82 : 535,949.77 = 167,919.04 : x
  2. Step 2: Convert to fraction form
    357,404.82/535,949.77 = 167,919.04/x
  3. Step 3: Cross multiply
    357,404.82x = 535,949.77 × 167,919.04
  4. Step 4: Simplify right side
    357,404.82x = 89,996,170,866.62
  5. Step 5: Solve for x
    x = 89,996,170,866.62/357,404.82
  6. Step 6: Final answer
    x = 251,804.58

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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.