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Finding the Fourth Proportional to 441,613.98, 662,518.70 and 161,130.42

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Solution

The fourth proportional to 441,613.98, 662,518.70 and 161,130.42 is: 241,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,613.98 : 662,518.70 = 161,130.42 : x
  2. Step 2: Convert to fraction form
    441,613.98/662,518.70 = 161,130.42/x
  3. Step 3: Cross multiply
    441,613.98x = 662,518.70 × 161,130.42
  4. Step 4: Simplify right side
    441,613.98x = 106,751,916,388.85
  5. Step 5: Solve for x
    x = 106,751,916,388.85/441,613.98
  6. Step 6: Final answer
    x = 241,731.29

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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.