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Finding the Fourth Proportional to 211,676.48, 317,513.76 and 63,932.48

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Solution

The fourth proportional to 211,676.48, 317,513.76 and 63,932.48 is: 95,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,676.48 : 317,513.76 = 63,932.48 : x
  2. Step 2: Convert to fraction form
    211,676.48/317,513.76 = 63,932.48/x
  3. Step 3: Cross multiply
    211,676.48x = 317,513.76 × 63,932.48
  4. Step 4: Simplify right side
    211,676.48x = 20,299,442,110.92
  5. Step 5: Solve for x
    x = 20,299,442,110.92/211,676.48
  6. Step 6: Final answer
    x = 95,898.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.