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Finding the Fourth Proportional to 161,797.46, 242,679.78 and 43,453.42

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Solution

The fourth proportional to 161,797.46, 242,679.78 and 43,453.42 is: 65,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,797.46 : 242,679.78 = 43,453.42 : x
  2. Step 2: Convert to fraction form
    161,797.46/242,679.78 = 43,453.42/x
  3. Step 3: Cross multiply
    161,797.46x = 242,679.78 × 43,453.42
  4. Step 4: Simplify right side
    161,797.46x = 10,545,266,405.85
  5. Step 5: Solve for x
    x = 10,545,266,405.85/161,797.46
  6. Step 6: Final answer
    x = 65,175.72

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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.