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Finding the Fourth Proportional to 242,991.23, 364,191.33 and 171,934.34

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Solution

The fourth proportional to 242,991.23, 364,191.33 and 171,934.34 is: 257,692.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,991.23 : 364,191.33 = 171,934.34 : x
  2. Step 2: Convert to fraction form
    242,991.23/364,191.33 = 171,934.34/x
  3. Step 3: Cross multiply
    242,991.23x = 364,191.33 × 171,934.34
  4. Step 4: Simplify right side
    242,991.23x = 62,616,995,957.27
  5. Step 5: Solve for x
    x = 62,616,995,957.27/242,991.23
  6. Step 6: Final answer
    x = 257,692.41

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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.