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Finding the Fourth Proportional to 99,676.42, 149,489.16 and 29,539.33

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Solution

The fourth proportional to 99,676.42, 149,489.16 and 29,539.33 is: 44,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,676.42 : 149,489.16 = 29,539.33 : x
  2. Step 2: Convert to fraction form
    99,676.42/149,489.16 = 29,539.33/x
  3. Step 3: Cross multiply
    99,676.42x = 149,489.16 × 29,539.33
  4. Step 4: Simplify right side
    99,676.42x = 4,415,809,628.66
  5. Step 5: Solve for x
    x = 4,415,809,628.66/99,676.42
  6. Step 6: Final answer
    x = 44,301.45

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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.