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Finding the Fourth Proportional to 271,581.48, 407,376.80 and 94,093.72

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Solution

The fourth proportional to 271,581.48, 407,376.80 and 94,093.72 is: 141,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,581.48 : 407,376.80 = 94,093.72 : x
  2. Step 2: Convert to fraction form
    271,581.48/407,376.80 = 94,093.72/x
  3. Step 3: Cross multiply
    271,581.48x = 407,376.80 × 94,093.72
  4. Step 4: Simplify right side
    271,581.48x = 38,331,598,553.70
  5. Step 5: Solve for x
    x = 38,331,598,553.70/271,581.48
  6. Step 6: Final answer
    x = 141,142.17

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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.