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Finding the Fourth Proportional to 441,614.10, 662,518.89 and 161,130.54

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Solution

The fourth proportional to 441,614.10, 662,518.89 and 161,130.54 is: 241,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,614.10 : 662,518.89 = 161,130.54 : x
  2. Step 2: Convert to fraction form
    441,614.10/662,518.89 = 161,130.54/x
  3. Step 3: Cross multiply
    441,614.10x = 662,518.89 × 161,130.54
  4. Step 4: Simplify right side
    441,614.10x = 106,752,026,505.90
  5. Step 5: Solve for x
    x = 106,752,026,505.90/441,614.10
  6. Step 6: Final answer
    x = 241,731.47

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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.