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Finding the Fourth Proportional to 191,794.41, 264,789.70 and 170,514.80

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Solution

The fourth proportional to 191,794.41, 264,789.70 and 170,514.80 is: 235,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,794.41 : 264,789.70 = 170,514.80 : x
  2. Step 2: Convert to fraction form
    191,794.41/264,789.70 = 170,514.80/x
  3. Step 3: Cross multiply
    191,794.41x = 264,789.70 × 170,514.80
  4. Step 4: Simplify right side
    191,794.41x = 45,150,561,980.29
  5. Step 5: Solve for x
    x = 45,150,561,980.29/191,794.41
  6. Step 6: Final answer
    x = 235,411.25

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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.