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Finding the Fourth Proportional to 171,127.89, 256,721.81 and 58,819.77

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Solution

The fourth proportional to 171,127.89, 256,721.81 and 58,819.77 is: 88,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,127.89 : 256,721.81 = 58,819.77 : x
  2. Step 2: Convert to fraction form
    171,127.89/256,721.81 = 58,819.77/x
  3. Step 3: Cross multiply
    171,127.89x = 256,721.81 × 58,819.77
  4. Step 4: Simplify right side
    171,127.89x = 15,100,317,524.08
  5. Step 5: Solve for x
    x = 15,100,317,524.08/171,127.89
  6. Step 6: Final answer
    x = 88,239.96

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1.5x scale

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.