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Finding the Fourth Proportional to 107,493.30, 161,241.30 and 28,607.04

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Solution

The fourth proportional to 107,493.30, 161,241.30 and 28,607.04 is: 42,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,493.30 : 161,241.30 = 28,607.04 : x
  2. Step 2: Convert to fraction form
    107,493.30/161,241.30 = 28,607.04/x
  3. Step 3: Cross multiply
    107,493.30x = 161,241.30 × 28,607.04
  4. Step 4: Simplify right side
    107,493.30x = 4,612,636,318.75
  5. Step 5: Solve for x
    x = 4,612,636,318.75/107,493.30
  6. Step 6: Final answer
    x = 42,910.92

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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.