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Finding the Fourth Proportional to 176,652.43, 264,978.83 and 71,472.31

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Solution

The fourth proportional to 176,652.43, 264,978.83 and 71,472.31 is: 107,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,652.43 : 264,978.83 = 71,472.31 : x
  2. Step 2: Convert to fraction form
    176,652.43/264,978.83 = 71,472.31/x
  3. Step 3: Cross multiply
    176,652.43x = 264,978.83 × 71,472.31
  4. Step 4: Simplify right side
    176,652.43x = 18,938,649,081.20
  5. Step 5: Solve for x
    x = 18,938,649,081.20/176,652.43
  6. Step 6: Final answer
    x = 107,208.54

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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.