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Finding the Fourth Proportional to 215,441.76, 297,319.44 and 119,954.52

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Solution

The fourth proportional to 215,441.76, 297,319.44 and 119,954.52 is: 165,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,441.76 : 297,319.44 = 119,954.52 : x
  2. Step 2: Convert to fraction form
    215,441.76/297,319.44 = 119,954.52/x
  3. Step 3: Cross multiply
    215,441.76x = 297,319.44 × 119,954.52
  4. Step 4: Simplify right side
    215,441.76x = 35,664,810,711.87
  5. Step 5: Solve for x
    x = 35,664,810,711.87/215,441.76
  6. Step 6: Final answer
    x = 165,542.70

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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.