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Finding the Fourth Proportional to 364,965.76, 547,442.97 and 112,249.54

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Solution

The fourth proportional to 364,965.76, 547,442.97 and 112,249.54 is: 168,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,965.76 : 547,442.97 = 112,249.54 : x
  2. Step 2: Convert to fraction form
    364,965.76/547,442.97 = 112,249.54/x
  3. Step 3: Cross multiply
    364,965.76x = 547,442.97 × 112,249.54
  4. Step 4: Simplify right side
    364,965.76x = 61,450,221,558.73
  5. Step 5: Solve for x
    x = 61,450,221,558.73/364,965.76
  6. Step 6: Final answer
    x = 168,372.57

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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.