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Finding the Fourth Proportional to 177,423.20, 266,134.80 and 165,672.80

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Solution

The fourth proportional to 177,423.20, 266,134.80 and 165,672.80 is: 248,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,423.20 : 266,134.80 = 165,672.80 : x
  2. Step 2: Convert to fraction form
    177,423.20/266,134.80 = 165,672.80/x
  3. Step 3: Cross multiply
    177,423.20x = 266,134.80 × 165,672.80
  4. Step 4: Simplify right side
    177,423.20x = 44,091,297,493.44
  5. Step 5: Solve for x
    x = 44,091,297,493.44/177,423.20
  6. Step 6: Final answer
    x = 248,509.20

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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.