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Finding the Fourth Proportional to 271,440.01, 407,114.65 and 84,436.93

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Solution

The fourth proportional to 271,440.01, 407,114.65 and 84,436.93 is: 126,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,440.01 : 407,114.65 = 84,436.93 : x
  2. Step 2: Convert to fraction form
    271,440.01/407,114.65 = 84,436.93/x
  3. Step 3: Cross multiply
    271,440.01x = 407,114.65 × 84,436.93
  4. Step 4: Simplify right side
    271,440.01x = 34,375,511,204.02
  5. Step 5: Solve for x
    x = 34,375,511,204.02/271,440.01
  6. Step 6: Final answer
    x = 126,641.28

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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.