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Finding the Fourth Proportional to 171,962.96, 257,367.96 and 126,123.44

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Solution

The fourth proportional to 171,962.96, 257,367.96 and 126,123.44 is: 188,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,962.96 : 257,367.96 = 126,123.44 : x
  2. Step 2: Convert to fraction form
    171,962.96/257,367.96 = 126,123.44/x
  3. Step 3: Cross multiply
    171,962.96x = 257,367.96 × 126,123.44
  4. Step 4: Simplify right side
    171,962.96x = 32,460,132,460.98
  5. Step 5: Solve for x
    x = 32,460,132,460.98/171,962.96
  6. Step 6: Final answer
    x = 188,762.35

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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.