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Finding the Fourth Proportional to 215,390.92, 297,232.50 and 119,894.44

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Solution

The fourth proportional to 215,390.92, 297,232.50 and 119,894.44 is: 165,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,390.92 : 297,232.50 = 119,894.44 : x
  2. Step 2: Convert to fraction form
    215,390.92/297,232.50 = 119,894.44/x
  3. Step 3: Cross multiply
    215,390.92x = 297,232.50 × 119,894.44
  4. Step 4: Simplify right side
    215,390.92x = 35,636,524,137.30
  5. Step 5: Solve for x
    x = 35,636,524,137.30/215,390.92
  6. Step 6: Final answer
    x = 165,450.45

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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.