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Finding the Fourth Proportional to 119,449.96, 179,191.41 and 40,543

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Solution

The fourth proportional to 119,449.96, 179,191.41 and 40,543 is: 60,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,449.96 : 179,191.41 = 40,543 : x
  2. Step 2: Convert to fraction form
    119,449.96/179,191.41 = 40,543/x
  3. Step 3: Cross multiply
    119,449.96x = 179,191.41 × 40,543
  4. Step 4: Simplify right side
    119,449.96x = 7,264,957,335.63
  5. Step 5: Solve for x
    x = 7,264,957,335.63/119,449.96
  6. Step 6: Final answer
    x = 60,820.09

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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.