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Finding the Fourth Proportional to 180,703.20, 271,034.29 and 47,593.87

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Solution

The fourth proportional to 180,703.20, 271,034.29 and 47,593.87 is: 71,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,703.20 : 271,034.29 = 47,593.87 : x
  2. Step 2: Convert to fraction form
    180,703.20/271,034.29 = 47,593.87/x
  3. Step 3: Cross multiply
    180,703.20x = 271,034.29 × 47,593.87
  4. Step 4: Simplify right side
    180,703.20x = 12,899,570,763.80
  5. Step 5: Solve for x
    x = 12,899,570,763.80/180,703.20
  6. Step 6: Final answer
    x = 71,385.40

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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.