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Finding the Fourth Proportional to 171,457.92, 256,144.04 and 110,993.82

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Solution

The fourth proportional to 171,457.92, 256,144.04 and 110,993.82 is: 165,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,457.92 : 256,144.04 = 110,993.82 : x
  2. Step 2: Convert to fraction form
    171,457.92/256,144.04 = 110,993.82/x
  3. Step 3: Cross multiply
    171,457.92x = 256,144.04 × 110,993.82
  4. Step 4: Simplify right side
    171,457.92x = 28,430,404,466.60
  5. Step 5: Solve for x
    x = 28,430,404,466.60/171,457.92
  6. Step 6: Final answer
    x = 165,815.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.