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Finding the Fourth Proportional to 215,944.70, 298,001.70 and 119,149.44

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Solution

The fourth proportional to 215,944.70, 298,001.70 and 119,149.44 is: 164,425.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,944.70 : 298,001.70 = 119,149.44 : x
  2. Step 2: Convert to fraction form
    215,944.70/298,001.70 = 119,149.44/x
  3. Step 3: Cross multiply
    215,944.70x = 298,001.70 × 119,149.44
  4. Step 4: Simplify right side
    215,944.70x = 35,506,735,674.05
  5. Step 5: Solve for x
    x = 35,506,735,674.05/215,944.70
  6. Step 6: Final answer
    x = 164,425.14

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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.