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Finding the Fourth Proportional to 271,374.70, 406,989.15 and 93,936.10

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Solution

The fourth proportional to 271,374.70, 406,989.15 and 93,936.10 is: 140,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,374.70 : 406,989.15 = 93,936.10 : x
  2. Step 2: Convert to fraction form
    271,374.70/406,989.15 = 93,936.10/x
  3. Step 3: Cross multiply
    271,374.70x = 406,989.15 × 93,936.10
  4. Step 4: Simplify right side
    271,374.70x = 38,230,973,493.32
  5. Step 5: Solve for x
    x = 38,230,973,493.32/271,374.70
  6. Step 6: Final answer
    x = 140,878.92

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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.