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Finding the Fourth Proportional to 171,475.56, 257,203.38 and 51,529.92

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Solution

The fourth proportional to 171,475.56, 257,203.38 and 51,529.92 is: 77,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,475.56 : 257,203.38 = 51,529.92 : x
  2. Step 2: Convert to fraction form
    171,475.56/257,203.38 = 51,529.92/x
  3. Step 3: Cross multiply
    171,475.56x = 257,203.38 × 51,529.92
  4. Step 4: Simplify right side
    171,475.56x = 13,253,669,595.13
  5. Step 5: Solve for x
    x = 13,253,669,595.13/171,475.56
  6. Step 6: Final answer
    x = 77,291.89

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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.