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Finding the Fourth Proportional to 171,195.94, 256,743.62 and 64,502.88

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Solution

The fourth proportional to 171,195.94, 256,743.62 and 64,502.88 is: 96,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,195.94 : 256,743.62 = 64,502.88 : x
  2. Step 2: Convert to fraction form
    171,195.94/256,743.62 = 64,502.88/x
  3. Step 3: Cross multiply
    171,195.94x = 256,743.62 × 64,502.88
  4. Step 4: Simplify right side
    171,195.94x = 16,560,702,911.63
  5. Step 5: Solve for x
    x = 16,560,702,911.63/171,195.94
  6. Step 6: Final answer
    x = 96,735.37

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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.