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Finding the Fourth Proportional to 171,114.17, 256,715.00 and 71,241.17

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Solution

The fourth proportional to 171,114.17, 256,715.00 and 71,241.17 is: 106,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,114.17 : 256,715.00 = 71,241.17 : x
  2. Step 2: Convert to fraction form
    171,114.17/256,715.00 = 71,241.17/x
  3. Step 3: Cross multiply
    171,114.17x = 256,715.00 × 71,241.17
  4. Step 4: Simplify right side
    171,114.17x = 18,288,675,316.77
  5. Step 5: Solve for x
    x = 18,288,675,316.77/171,114.17
  6. Step 6: Final answer
    x = 106,879.96

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1.5x scale

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.