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Finding the Fourth Proportional to 191,162.26, 263,414.87 and 147,878.82

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Solution

The fourth proportional to 191,162.26, 263,414.87 and 147,878.82 is: 203,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,162.26 : 263,414.87 = 147,878.82 : x
  2. Step 2: Convert to fraction form
    191,162.26/263,414.87 = 147,878.82/x
  3. Step 3: Cross multiply
    191,162.26x = 263,414.87 × 147,878.82
  4. Step 4: Simplify right side
    191,162.26x = 38,953,480,146.05
  5. Step 5: Solve for x
    x = 38,953,480,146.05/191,162.26
  6. Step 6: Final answer
    x = 203,771.81

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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.