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Finding the Fourth Proportional to 99,673.92, 149,485.41 and 29,536.86

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Solution

The fourth proportional to 99,673.92, 149,485.41 and 29,536.86 is: 44,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,673.92 : 149,485.41 = 29,536.86 : x
  2. Step 2: Convert to fraction form
    99,673.92/149,485.41 = 29,536.86/x
  3. Step 3: Cross multiply
    99,673.92x = 149,485.41 × 29,536.86
  4. Step 4: Simplify right side
    99,673.92x = 4,415,329,627.21
  5. Step 5: Solve for x
    x = 4,415,329,627.21/99,673.92
  6. Step 6: Final answer
    x = 44,297.74

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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.