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Finding the Fourth Proportional to 79,903.89, 119,741.63 and 58,677.44

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Solution

The fourth proportional to 79,903.89, 119,741.63 and 58,677.44 is: 87,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,903.89 : 119,741.63 = 58,677.44 : x
  2. Step 2: Convert to fraction form
    79,903.89/119,741.63 = 58,677.44/x
  3. Step 3: Cross multiply
    79,903.89x = 119,741.63 × 58,677.44
  4. Step 4: Simplify right side
    79,903.89x = 7,026,131,417.73
  5. Step 5: Solve for x
    x = 7,026,131,417.73/79,903.89
  6. Step 6: Final answer
    x = 87,932.28

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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.