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Finding the Fourth Proportional to 271,998.45, 375,350.42 and 151,136.64

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Solution

The fourth proportional to 271,998.45, 375,350.42 and 151,136.64 is: 208,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,998.45 : 375,350.42 = 151,136.64 : x
  2. Step 2: Convert to fraction form
    271,998.45/375,350.42 = 151,136.64/x
  3. Step 3: Cross multiply
    271,998.45x = 375,350.42 × 151,136.64
  4. Step 4: Simplify right side
    271,998.45x = 56,729,200,545.71
  5. Step 5: Solve for x
    x = 56,729,200,545.71/271,998.45
  6. Step 6: Final answer
    x = 208,564.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.