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Finding the Fourth Proportional to 245,181.74, 367,793.76 and 67,688.78

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Solution

The fourth proportional to 245,181.74, 367,793.76 and 67,688.78 is: 101,539.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,181.74 : 367,793.76 = 67,688.78 : x
  2. Step 2: Convert to fraction form
    245,181.74/367,793.76 = 67,688.78/x
  3. Step 3: Cross multiply
    245,181.74x = 367,793.76 × 67,688.78
  4. Step 4: Simplify right side
    245,181.74x = 24,895,510,906.01
  5. Step 5: Solve for x
    x = 24,895,510,906.01/245,181.74
  6. Step 6: Final answer
    x = 101,539.01

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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.