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Finding the Fourth Proportional to 171,100.63, 256,678.62 and 52,744.29

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Solution

The fourth proportional to 171,100.63, 256,678.62 and 52,744.29 is: 79,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,100.63 : 256,678.62 = 52,744.29 : x
  2. Step 2: Convert to fraction form
    171,100.63/256,678.62 = 52,744.29/x
  3. Step 3: Cross multiply
    171,100.63x = 256,678.62 × 52,744.29
  4. Step 4: Simplify right side
    171,100.63x = 13,538,331,428.34
  5. Step 5: Solve for x
    x = 13,538,331,428.34/171,100.63
  6. Step 6: Final answer
    x = 79,124.97

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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.