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Finding the Fourth Proportional to 271,637.71, 407,207.09 and 94,020.50

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Solution

The fourth proportional to 271,637.71, 407,207.09 and 94,020.50 is: 140,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,637.71 : 407,207.09 = 94,020.50 : x
  2. Step 2: Convert to fraction form
    271,637.71/407,207.09 = 94,020.50/x
  3. Step 3: Cross multiply
    271,637.71x = 407,207.09 × 94,020.50
  4. Step 4: Simplify right side
    271,637.71x = 38,285,815,458.41
  5. Step 5: Solve for x
    x = 38,285,815,458.41/271,637.71
  6. Step 6: Final answer
    x = 140,944.41

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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.