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Finding the Fourth Proportional to 168,779, 232,944.18 and 101,711

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Solution

The fourth proportional to 168,779, 232,944.18 and 101,711 is: 140,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,779 : 232,944.18 = 101,711 : x
  2. Step 2: Convert to fraction form
    168,779/232,944.18 = 101,711/x
  3. Step 3: Cross multiply
    168,779x = 232,944.18 × 101,711
  4. Step 4: Simplify right side
    168,779x = 23,692,985,491.98
  5. Step 5: Solve for x
    x = 23,692,985,491.98/168,779
  6. Step 6: Final answer
    x = 140,378.75

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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.