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Finding the Fourth Proportional to 171,231.60, 256,781.16 and 58,890.48

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Solution

The fourth proportional to 171,231.60, 256,781.16 and 58,890.48 is: 88,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,231.60 : 256,781.16 = 58,890.48 : x
  2. Step 2: Convert to fraction form
    171,231.60/256,781.16 = 58,890.48/x
  3. Step 3: Cross multiply
    171,231.60x = 256,781.16 × 58,890.48
  4. Step 4: Simplify right side
    171,231.60x = 15,121,965,767.36
  5. Step 5: Solve for x
    x = 15,121,965,767.36/171,231.60
  6. Step 6: Final answer
    x = 88,312.94

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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.