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Finding the Fourth Proportional to 177,424.20, 266,136.30 and 170,425.80

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Solution

The fourth proportional to 177,424.20, 266,136.30 and 170,425.80 is: 255,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,424.20 : 266,136.30 = 170,425.80 : x
  2. Step 2: Convert to fraction form
    177,424.20/266,136.30 = 170,425.80/x
  3. Step 3: Cross multiply
    177,424.20x = 266,136.30 × 170,425.80
  4. Step 4: Simplify right side
    177,424.20x = 45,356,491,836.54
  5. Step 5: Solve for x
    x = 45,356,491,836.54/177,424.20
  6. Step 6: Final answer
    x = 255,638.70

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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.