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Finding the Fourth Proportional to 271,399.84, 407,136.72 and 93,859.20

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Solution

The fourth proportional to 271,399.84, 407,136.72 and 93,859.20 is: 140,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,399.84 : 407,136.72 = 93,859.20 : x
  2. Step 2: Convert to fraction form
    271,399.84/407,136.72 = 93,859.20/x
  3. Step 3: Cross multiply
    271,399.84x = 407,136.72 × 93,859.20
  4. Step 4: Simplify right side
    271,399.84x = 38,213,526,829.82
  5. Step 5: Solve for x
    x = 38,213,526,829.82/271,399.84
  6. Step 6: Final answer
    x = 140,801.58

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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.