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Finding the Fourth Proportional to 279,024.55, 418,266.18 and 110,488.86

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Solution

The fourth proportional to 279,024.55, 418,266.18 and 110,488.86 is: 165,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,024.55 : 418,266.18 = 110,488.86 : x
  2. Step 2: Convert to fraction form
    279,024.55/418,266.18 = 110,488.86/x
  3. Step 3: Cross multiply
    279,024.55x = 418,266.18 × 110,488.86
  4. Step 4: Simplify right side
    279,024.55x = 46,213,753,404.75
  5. Step 5: Solve for x
    x = 46,213,753,404.75/279,024.55
  6. Step 6: Final answer
    x = 165,626.12

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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.