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Finding the Fourth Proportional to 246,947.96, 370,473.78 and 80,723

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Solution

The fourth proportional to 246,947.96, 370,473.78 and 80,723 is: 121,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,947.96 : 370,473.78 = 80,723 : x
  2. Step 2: Convert to fraction form
    246,947.96/370,473.78 = 80,723/x
  3. Step 3: Cross multiply
    246,947.96x = 370,473.78 × 80,723
  4. Step 4: Simplify right side
    246,947.96x = 29,905,754,942.94
  5. Step 5: Solve for x
    x = 29,905,754,942.94/246,947.96
  6. Step 6: Final answer
    x = 121,101.45

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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.