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Finding the Fourth Proportional to 161,235.70, 241,855.92 and 61,401.43

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Solution

The fourth proportional to 161,235.70, 241,855.92 and 61,401.43 is: 92,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,235.70 : 241,855.92 = 61,401.43 : x
  2. Step 2: Convert to fraction form
    161,235.70/241,855.92 = 61,401.43/x
  3. Step 3: Cross multiply
    161,235.70x = 241,855.92 × 61,401.43
  4. Step 4: Simplify right side
    161,235.70x = 14,850,299,341.97
  5. Step 5: Solve for x
    x = 14,850,299,341.97/161,235.70
  6. Step 6: Final answer
    x = 92,103.05

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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.