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Finding the Fourth Proportional to 171,317.43, 256,993.35 and 58,982.78

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Solution

The fourth proportional to 171,317.43, 256,993.35 and 58,982.78 is: 88,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,317.43 : 256,993.35 = 58,982.78 : x
  2. Step 2: Convert to fraction form
    171,317.43/256,993.35 = 58,982.78/x
  3. Step 3: Cross multiply
    171,317.43x = 256,993.35 × 58,982.78
  4. Step 4: Simplify right side
    171,317.43x = 15,158,182,224.51
  5. Step 5: Solve for x
    x = 15,158,182,224.51/171,317.43
  6. Step 6: Final answer
    x = 88,480.09

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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.