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Finding the Fourth Proportional to 171,072.80, 256,615.62 and 58,830.44

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Solution

The fourth proportional to 171,072.80, 256,615.62 and 58,830.44 is: 88,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072.80 : 256,615.62 = 58,830.44 : x
  2. Step 2: Convert to fraction form
    171,072.80/256,615.62 = 58,830.44/x
  3. Step 3: Cross multiply
    171,072.80x = 256,615.62 × 58,830.44
  4. Step 4: Simplify right side
    171,072.80x = 15,096,809,835.47
  5. Step 5: Solve for x
    x = 15,096,809,835.47/171,072.80
  6. Step 6: Final answer
    x = 88,247.87

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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.