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Finding the Fourth Proportional to 215,420.92, 297,273.90 and 119,924.44

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Solution

The fourth proportional to 215,420.92, 297,273.90 and 119,924.44 is: 165,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,420.92 : 297,273.90 = 119,924.44 : x
  2. Step 2: Convert to fraction form
    215,420.92/297,273.90 = 119,924.44/x
  3. Step 3: Cross multiply
    215,420.92x = 297,273.90 × 119,924.44
  4. Step 4: Simplify right side
    215,420.92x = 35,650,405,984.12
  5. Step 5: Solve for x
    x = 35,650,405,984.12/215,420.92
  6. Step 6: Final answer
    x = 165,491.85

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1.5x scale

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.