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Finding the Fourth Proportional to 171,221.21, 256,767.96 and 58,869.62

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Solution

The fourth proportional to 171,221.21, 256,767.96 and 58,869.62 is: 88,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,221.21 : 256,767.96 = 58,869.62 : x
  2. Step 2: Convert to fraction form
    171,221.21/256,767.96 = 58,869.62/x
  3. Step 3: Cross multiply
    171,221.21x = 256,767.96 × 58,869.62
  4. Step 4: Simplify right side
    171,221.21x = 15,115,832,233.38
  5. Step 5: Solve for x
    x = 15,115,832,233.38/171,221.21
  6. Step 6: Final answer
    x = 88,282.48

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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.