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Finding the Fourth Proportional to 365,394.38, 548,026.83 and 99,175.59

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Solution

The fourth proportional to 365,394.38, 548,026.83 and 99,175.59 is: 148,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,394.38 : 548,026.83 = 99,175.59 : x
  2. Step 2: Convert to fraction form
    365,394.38/548,026.83 = 99,175.59/x
  3. Step 3: Cross multiply
    365,394.38x = 548,026.83 × 99,175.59
  4. Step 4: Simplify right side
    365,394.38x = 54,350,884,201.08
  5. Step 5: Solve for x
    x = 54,350,884,201.08/365,394.38
  6. Step 6: Final answer
    x = 148,745.82

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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.