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Finding the Fourth Proportional to 79,735.88, 119,562.31 and 29,774.90

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Solution

The fourth proportional to 79,735.88, 119,562.31 and 29,774.90 is: 44,646.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,735.88 : 119,562.31 = 29,774.90 : x
  2. Step 2: Convert to fraction form
    79,735.88/119,562.31 = 29,774.90/x
  3. Step 3: Cross multiply
    79,735.88x = 119,562.31 × 29,774.90
  4. Step 4: Simplify right side
    79,735.88x = 3,559,955,077.33
  5. Step 5: Solve for x
    x = 3,559,955,077.33/79,735.88
  6. Step 6: Final answer
    x = 44,646.84

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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.