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Finding the Fourth Proportional to 172,213.86, 237,657.96 and 94,692.76

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Solution

The fourth proportional to 172,213.86, 237,657.96 and 94,692.76 is: 130,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,213.86 : 237,657.96 = 94,692.76 : x
  2. Step 2: Convert to fraction form
    172,213.86/237,657.96 = 94,692.76/x
  3. Step 3: Cross multiply
    172,213.86x = 237,657.96 × 94,692.76
  4. Step 4: Simplify right side
    172,213.86x = 22,504,488,168.37
  5. Step 5: Solve for x
    x = 22,504,488,168.37/172,213.86
  6. Step 6: Final answer
    x = 130,677.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.