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Finding the Fourth Proportional to 170,997.48, 256,523.79 and 52,668.78

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Solution

The fourth proportional to 170,997.48, 256,523.79 and 52,668.78 is: 79,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,997.48 : 256,523.79 = 52,668.78 : x
  2. Step 2: Convert to fraction form
    170,997.48/256,523.79 = 52,668.78/x
  3. Step 3: Cross multiply
    170,997.48x = 256,523.79 × 52,668.78
  4. Step 4: Simplify right side
    170,997.48x = 13,510,795,060.28
  5. Step 5: Solve for x
    x = 13,510,795,060.28/170,997.48
  6. Step 6: Final answer
    x = 79,011.66

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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.