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Finding the Fourth Proportional to 161,193.20, 241,703.40 and 67,593.20

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Solution

The fourth proportional to 161,193.20, 241,703.40 and 67,593.20 is: 101,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,193.20 : 241,703.40 = 67,593.20 : x
  2. Step 2: Convert to fraction form
    161,193.20/241,703.40 = 67,593.20/x
  3. Step 3: Cross multiply
    161,193.20x = 241,703.40 × 67,593.20
  4. Step 4: Simplify right side
    161,193.20x = 16,337,506,256.88
  5. Step 5: Solve for x
    x = 16,337,506,256.88/161,193.20
  6. Step 6: Final answer
    x = 101,353.57

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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.