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Finding the Fourth Proportional to 245,469.49, 368,162.49 and 67,934.92

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Solution

The fourth proportional to 245,469.49, 368,162.49 and 67,934.92 is: 101,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,469.49 : 368,162.49 = 67,934.92 : x
  2. Step 2: Convert to fraction form
    245,469.49/368,162.49 = 67,934.92/x
  3. Step 3: Cross multiply
    245,469.49x = 368,162.49 × 67,934.92
  4. Step 4: Simplify right side
    245,469.49x = 25,011,089,305.15
  5. Step 5: Solve for x
    x = 25,011,089,305.15/245,469.49
  6. Step 6: Final answer
    x = 101,890.83

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1.5x scale

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.