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Finding the Fourth Proportional to 171,157.96, 256,742.79 and 58,837.21

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Solution

The fourth proportional to 171,157.96, 256,742.79 and 58,837.21 is: 88,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,157.96 : 256,742.79 = 58,837.21 : x
  2. Step 2: Convert to fraction form
    171,157.96/256,742.79 = 58,837.21/x
  3. Step 3: Cross multiply
    171,157.96x = 256,742.79 × 58,837.21
  4. Step 4: Simplify right side
    171,157.96x = 15,106,029,476.29
  5. Step 5: Solve for x
    x = 15,106,029,476.29/171,157.96
  6. Step 6: Final answer
    x = 88,257.83

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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.