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Finding the Fourth Proportional to 191,794.36, 264,789.60 and 170,514.72

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Solution

The fourth proportional to 191,794.36, 264,789.60 and 170,514.72 is: 235,411.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,794.36 : 264,789.60 = 170,514.72 : x
  2. Step 2: Convert to fraction form
    191,794.36/264,789.60 = 170,514.72/x
  3. Step 3: Cross multiply
    191,794.36x = 264,789.60 × 170,514.72
  4. Step 4: Simplify right side
    191,794.36x = 45,150,524,502.91
  5. Step 5: Solve for x
    x = 45,150,524,502.91/191,794.36
  6. Step 6: Final answer
    x = 235,411.12

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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.